E39 Seatbelt Click Fix
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior - Seats
... at the middle of the pillar as well (right pic). If the body-side of the fastener comes out (see red arrow), use the door panel puller to separate the pieces. 2. The B-pillar separates into 2 pieces making it easier for access to the belt anchor. Loosen the sleeved-nut using the 17mm socket (see red arrow). Carefully remove the nut and seatbelt anchor. There's a washer behind the anchor ... (more)
Posted : 24 May 2005  
 
Seat clicking fix
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior - Seats
... mechanism points to the middle of the seat. The top clip is just a hook just lift the panel and pull and it should come out. Picture of bottom clips click for larger image click for larger image Picture of top clip click for larger image Separating the seat back from bottom To separate the seat back/top look for green latch locks and pull them out. Then press the latches down and pull the seat ... (more)
Posted : 24 May 2005  
 
UUC Short Shifter Install
Model : BMW, 5 - Series (E39) 1996-03 Category : Driveterrain - Shifter Linkage
... (flat side toward linkage) Retaining clip. Additional Notes: UUC update kit This is the update for the first generation adjustable shifter from UUC. It features a larger diameter retaining nut and a rubber stop. These pictures were orginaly posted by Nick C.. I was unable to locate his post, but the kit supposedly removes some of the vibration from first and second. This upgrade helps a ... (more)
Posted : 24 May 2005  
 
Differential Swap procedure
Model : BMW, 5 - Series (E39) 1996-03 Category : Driveterrain - Differential
... only about " clearance. You need a short 18mm socket which has to be angled and juggled into the recess. This took me a little time to remove. (pics 5-7) Now that all the fasteners are out wiggle the diff down while twisting it down on the right side to clear the exhaust pipe. Once you get it angled down enough you can pull it back as you lower it to disengage it from the driveshaft. I had ... (more)
Posted : 24 May 2005  
 
Differential Fluid Change
Model : BMW, 5 - Series (E39) 1996-03 Category : Driveterrain - Differential
... plugs. If you use the differential as the jack point it's probably a good idea to avoid putting the jack on the rear cover and use a pad like a wood block to ensure the corner of your floor jack doesn't stress the differential housing. Use jack stands under both rear jack points which are in front of the rear wheels on the frame. 3. Loosen filler plug using 14mm hex wrench to allow minimal ... (more)
Posted : 24 May 2005  
 
Fog Lamp Bulb or Housing Replacement
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights - Fog Lights
... will rotate out pivoting at the right most part of the fog lamp (ref. while facing the fog lamp). If you are only replacing the Fog Lamp Assembly, simply disconnect the electrical connector seen near the top the picture. Plug in the connector to your New Fog Lamp Assembly. Just follow the steps in reverse to put everything back together You are Done!!! Pull on the metal loop toward you to ... (more)
Posted : 24 May 2005  
 
CHECK LOWBEAM LIGHTS after HID Upgrade
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights
... Verify that your resistor boxes work with an OHM meter then measure the resistance of one of your old halogen headlight bulbs they should be the same. When attaching the resistor boxes make sure you attach them to the 12volt leads that go from the car to your ballasts (your old halogen connectors). Lastly, if you find that you almost set the house on fire the last time you whipped out a ... (more)
Posted : 24 May 2005  
 
E39 Non-CELIS Head Light Removal & Lens Cover Replacement
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights - Headlights
... screws have flat washers. Use the magnetic pick-up tool to help retrieve the lower screws as they can easily drop down below. 4. Pivot the inner edge of the assembly outwards. Take care to protect the bumper while doing so. 5. The outer connection point should release and the assembly can be carefully slid out forwards. 6. The painted strip can be removed by prying up slightly and clearing ... (more)
Posted : 24 May 2005  
 
Replacing broken headlamp adjusters
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights
... three Torx screws along the face - and also removed the black 'half moon" glare screen. This step was precautionary to prevent breakage. 6. Here comes the hard part - removing the metal plate from the plastic housing. The self-leveling servomotor has a metal rod pointing forward hat terminates in a black plastic ball. This ball fits into a plastic socket that has a tab protruding ... (more)
Posted : 24 May 2005  
 
E39 Euro-spec CELIS "LED" Tail Light Retro-Fit Kit
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights - Tail lights
... buckets and tape the plastic bag on the inside of the trunk to catch the metal shavings. 2. The tail light buckets require an 8mm and 16mm hole to be drilled (see red arrows, and ''no'' not in his head!) and a crescent-shaped notch to be grinded away (see blue arrow) to allow for the different mounting holes and assembly shape. Be sure to use the exact measurements as outlined in the Hella guide ... (more)
Posted : 24 May 2005  
 
E39 Euro-spec CELIS "Angel Eye" Head Light Installation
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights - Headlights
... lines and by turning the assembly adjusters with the 6mm hex key. Special notes for iT Wagon Owners with 2-wire plug issue: If you're good with car electronics or know a quality car stereo/alarm place you trust, here are some possible options: Tap the CELIS rings off the low beams. Splice into your headlight wiring to power the CELIS rings. If you have Xenon lights, be sure to splice into the ... (more)
Posted : 24 May 2005  
 
E39 Euro-spec CELIS "Angel Eye" Head Light Installation
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights - Headlights
... lines and by turning the assembly adjusters with the 6mm hex key. Special notes for iT Wagon Owners with 2-wire plug issue: If you're good with car electronics or know a quality car stereo/alarm place you trust, here are some possible options: Tap the CELIS rings off the low beams. Splice into your headlight wiring to power the CELIS rings. If you have Xenon lights, be sure to splice into the ... (more)
Posted : 24 May 2005  
 
E39 CELIS "Angel Eye Halo" Light Source
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights
... CELIS (aka Angel Eye or Halo) light source is a 12V 10W halogen lamp in a reflector housing which shines into a collector lens leading to the fiber-optic lines. The bulb is holder is plastic-welded together, so replacing the bulb would require breaking the weld. The halogen lamp gets focused onto this concentrator lens (see red arrow). The concentrator lens is spaced from the halogen ... (more)
Posted : 24 May 2005  
 
E39 Xenon Retro-Fit Resistor Packs
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights
... Power Parts, Bavarian Autosport, or PUMA. I haven't bought from these vendors recently, so please don't e-mail me asking for sources. Check with these vendors or ask on the Roadfly.com E39 Message Board for more recent references.) -OR- Build your own for cheap by following some of the DIY directions available on www.bmwtips.com. Just be sure the packs you use have a built-in fuse mechanism! ... (more)
Posted : 24 May 2005  
 
2001 rear lamp conversion completed (long)
Model : BMW, 5 - Series (E39) 1996-03 Category : Lights
... IMO an experienced installer should take 30-60 mins & a weekend mechanic 1-2 hrs. The most difficult step is drilling 2 additional holes & modifying an existing cutout on each side (most difficult step was really not that challenging). The modification to the cutout may not be required for all cars. The modification provides clearance to ease future bulb replacement & clearance ... (more)
Posted : 24 May 2005  
 
Deodorizing BMW IHKA and IHKR AC Systems
Model : BMW, 5 - Series (E39) 1996-03 Category : Misc
... you'll bend the fins. I don't even want to think about maximum! Using the Dremel tool (as slow as it will go, please) and the rotary cutter cut a small hole on the mark and centered in the flat area. Very slowly and carefully enlarge the hole until the small grinding wheel will fit, then using it, enlarge the hole further until the " hole plug fits nicely. If you goof up (like I did) ... (more)
Posted : 24 May 2005  
 
How I installed new brake pads on my 1999 528i with Sport Package (should be fine for other E39’s)
Model : BMW, 5 - Series (E39) 1996-03 Category : Brakes
... pads, now is the time to apply the anti-squeal compound. The stuff I used was a thick liquid (about like Elmers glue) that dried to a gooey/tacky semi-solid. Apply a thin coating of the compound to the BACK of your pads. Do not get any on the front (the part which makes contact with the rotor). I applied mine to about the thickness of a piece of cellophane tape. Also do not put any on the ... (more)
Posted : 24 May 2005  
 
Installation of a Front Big Brake Kit on an E39 BMW
Model : BMW, 5 - Series (E39) 1996-03 Category : Brakes
... idea to install a fresh set of wheel bearings prior to upgrading the brakes. Fortunately, bearing replacement is easier than it looks. I've documented the process in my E39 Front Wheel Bearing replacement article. The Mov'it caliper adapters are engraved with lettering. The left adapter is marked ''A'' and the right adapter is marked ''AB''. In any Mov'it kit, the lettering of an adapter ... (more)
Posted : 24 May 2005  
 
Installation of a Rear Big Brake Kit on an E39 BMW
Model : BMW, 5 - Series (E39) 1996-03 Category : Brakes
... put electrical tape around the edges of the backing plate, then reinstall the rotor and rotate it. The electrical tape will become worn where there is interference. Use a course file to remove more material and then repeat the process until the rotor no longer scrapes the backing plate. For the next few steps, you'll need an angle grinder such as the 4 1/2'' Sears model shown here. It will ... (more)
Posted : 24 May 2005  
 
Swaybar Upgrade Instructions
Model : BMW, 5 - Series (E39) 1996-03 Category : Suspension - Sway Bars
... located on the right front and right rear suspension. Before proceeding to the next step, you must disconnect the linkage which connects the level sensor to the lower wishbone. Using a 10mm open end wrench to keep the threaded stud from spinning, remove the nut with a 10mm socket. Pull the linkage away from the sensor arm and reinstall the nut a few turns, by hand, so it won't be misplaced. ... (more)
Posted : 24 May 2005  
 
Replacing the Thermostat
Model : BMW, 5 - Series (E39) 1996-03 Category : Engine - Cooling System
... to the reservoir. Loosen the two hose clamps on this hose and rotate it up and out of the way. This is an inside view of the cowl after removal. Two things to note: 1. The circled area shows where the reservoir is attached at the bottom. The reservoir must be popped out before lifting out the cowl. 2. The rectangular area shows where the reservoir hose is clipped in place. Just pull the hose ... (more)
Posted : 24 May 2005  
 
BMW 5-Series Front Wheel Bearing Replacement
Model : BMW, 5 - Series (E39) 1996-03 Category : Misc
... Rather than using those marks, it's easier and to draw your own, with a permanent laundry marker, on the strut and steering knuckle. Clean the dirt off and mark one or two vertical lines on the strut and the aluminum knuckle. A closer view of the alignment marks. A horizontal line is not required since the strut has a shoulder that sits firmly in the knuckle. Also, the strut will have a sharp ... (more)
Posted : 24 May 2005  
 
Installing E39 SuperSprint Exhaust
Model : BMW, 5 - Series (E39) 1996-03 Category : Exhaust
... of (my) car.'' It was then that I realized a) I'm really married. b) why they put the resonator in as stock. So, yes, it is a little louder, but as my wife suggested, the radio works as a fine cover. I do not notice it in daily driving. Good picture of the new pipe that will replace the center resonator. Soon, this will be mandrel bent 3'' pipe. All you have to do is order two 45 degree ... (more)
Posted : 24 May 2005  
 
E39 Suspension Survey
Model : BMW, 5 - Series (E39) 1996-03 Category : Suspension
... tire pressures, or ability to measure to true ground. If you'd like to share your before/after measurements with the E39 community, please e-mail them to me. Suspension Survey Notes: H&R springs has different designations of springs for sport, non-sport, or touring (wagon) suspension, so ''Sport/sport'' below means ''Sport model springs for OEM sport suspension cars'', etc. A full or empty ... (more)
Posted : 24 May 2005  
 
Cellport 3000 VR into a ’98 BMW 528i
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical
... the speaker cable. Solder the two conductors of a 12 inch piece of the speaker cable to the 3/32 phono plug (positive is the tip, negative is ring, the shielding should not be connect at either end).2. Build the custom harness (see wiring diagram). It should be about 12 inches long. This will require soldering the fours ends of the Cellport wire and the two conductors of the speaker cable (made ... (more)
Posted : 24 May 2005  
 
Replacing your Rear Window Regulator
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical
... below for more details.15) Tighten the bottom bolt.16) Screw the window motor assembly back to the door. 17) Pull the window down to the shuttle part and put the torx screw/washer back on. Set it back into position and screw the T20 torx/washer assembly back on. Don't overtighten it to the point where the glass cracks!18) Plug the window switch back into the harness and make sure the window ... (more)
Posted : 24 May 2005  
 
1999 528i (E39) Infinity Basslink Subwoofer Project
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical - Radio
... woofers in your car are wired to this connector. Now having said that, line level is usually my preferred choice but since we're dealing with a Class D amp and low frequencies I opted for speaker level and less hassel. Note: The main wiring harness is held on with slip tie wraps, just pull forward (toward you) and lift up. The tie wrap should open right up then move the harness forward for ... (more)
Posted : 24 May 2005  
 
Apple Ipod Install - 2001 BMW 530i with Nav
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical
... Pre-Amp Line Driver for 100 USD. We had to turn the gain all the way up.Here's a rough Outline of the connection. IPOD OUTPUT ----- > Audio Control Input ------> Tape Deck Audio Input Signal 7. Connect 12V, Remote Turn On and Ground for the Audio Control Unit using existing harness that powers the NAV Screen. The Audio Control Unit fits nicely in the roof of the NAV Screen Cutout. ... (more)
Posted : 24 May 2005  
 
Front Speaker Installation
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical - Radio - Speakers
... ring mounting plates that came with the MB Quart backwards onto the woofer so that it will mount flush with the woofer enclosure. Use the short screws for remounting the woofer in the sound-box. The holes will not line up, but that's ok. Be sure not to over tighten the mounting screws because you will crack the surround. It's a tight fit, so be sure the connectors do not get disconnected ... (more)
Posted : 24 May 2005  
 
E39 Park Distance Control (PDC) Wiring
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical
... R (but not labeled) on that relay. 4. Remove the (3) 10mm nuts holding the fuse block in place and snip the wire harness zip tie to remove it for better access to the underside of the fuses holders. 5. Cut the violet/white wire (''terminal R'') at the position indicated by the top red arrow. Use wire tools to crimp on the appropriate connector pin and housing as outlined in the addendum Page ... (more)
Posted : 24 May 2005  
 
E39 Alarm Siren Replacement
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical - Alarm
... the (2) 8mm screws towards the front of the wheel well (upper left pic). Remove the (3) expanding rivets towards the back of the wheel well by using the flat-head screwdriver and pliers to pull out the center pins (upper right pic). Remove the (2) 10mm plastic nuts in the middle of the fender liner next to the shock (bottom pic). 4. Remove the 8mm screw on the underside of the liner. 5. ... (more)
Posted : 24 May 2005  
 
Voice Recognition w/ the Navigation System
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical
... Run mic wire through the mic opening in the panel, and attach it into microphone. Snap mike into mic holder and reassemble panel back into roof. YOU'RE DONE. 6. To operate the system, again press the voice icon button on the steering wheel until you hear a beep and see VOICE RECOGNITION in the dashboard display, and then say ''Help Navigation.'' A female voice (different from the navigation ... (more)
Posted : 24 May 2005  
 
VDO MS 5000 Installation
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical
... the car harness. You will also need to locate the wiring to the tail lights. If you want to get creative you can purchase a male DB25 connector and attach to the cell interface. I didn't have one, nor did I have an easy way to get one, so I spliced in using bullet connectors. I'll most likely clean that up in the near future and do it with a DB25. Wiring Color Chart Function VDO Color Car Side ... (more)
Posted : 24 May 2005  
 
BMW Navigation System Service Mode
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical - Other
... Sensor check return, then select Telematics settings You can actually input some of your own data such as Lic. plate and Color. email - khu@altavista.com --> TV upgrade option for NAV system(archive link: http://www.bimmer.org/5series/messages/archive/msgsy2000w51/9182.html) Posted by SVTWEB on December 19, 2000 at 08:59:29: (posted from: cc368628-a.owml1.md.home.com (24.3.39.145)) If there ... (more)
Posted : 24 May 2005  
 
M audio upgrade review
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical - Radio
... connects to the Nokia box, so I disassembled the Nokia box and removed the connector along with the small circuit board to which the speaker wires are soldered. Cut off the connectors that was plugged into the two 5'' drivers inside the Nokia box, strip off 1'' of insulation. The longer wires connects to the passenger side sub, the shorter ones to the driver side. There is enough wire for ... (more)
Posted : 24 May 2005  
 
DSP analyzed...
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical
... findings, I chose to remove my DSP completely and take the full spectrum analog into an A/D/S P840. The results are great and extremely clean.Once you remove the DSP, the CD changer sends its signal to the tuner, where it's mixed with everything else. The big 17 pin connector on the tuner is where you pick up front/rear, left/right.Here are the important pins: 1. LF+ 2. RF+ 3. LR+ 6. ... (more)
Posted : 24 May 2005  
 
BMW DSP Woofer System
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical - Radio
... After removing the enclosure I measured that I can place a 32 5/8" wide x 16.5" tall custom sealed enclosure to fire through the armrest into the cabin. (I plan to place a 12" Square Kicker Solobaric into the enclosure I build) (See Comments Between Pictures) Enclosure in stock location hanging from deck Removable with 5/16" socket and flathead screwdriver from trunk 3 ... (more)
Posted : 24 May 2005  
 
Rear Speaker Installation
Model : BMW, 5 - Series (E39) 1996-03 Category : Electrical - Radio - Speakers
... center of each fastener using a pliers.) 6. Remove the Child Safety Seat Tethers using a 10mm socket. 7. Remove the lamp units in each C pillar panel by pulling from the top of the lamp assembly. Disconnect the wiring and remove completely. 8. Remove each c pillar panel (the grey/tan panels) by pulling out above the light hole and pull towards the inside of the car. You will notice small ... (more)
Posted : 24 May 2005  
 
Door Panel Removal - Steps
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior - Doors
... Now pull the entire door panel slightly outward at the bottom and then lift upward - may take some wrestling to free it at the connectors by the window. Disassembling and Reassembling the shade There are 3 small screws the hold the shade assembly to the panel. Remove the 2 that are next to the screw holes and the 1 screw on the side of the panel that is closest to the door hinge side of the ... (more)
Posted : 24 May 2005  
 
E39 SmarTire Ashtray Install
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior
... to dent or mar the center console surface. 3. Follow the instructions on Agent99's page for removing the armrest. Remove the top two screws (see red arrows) to free the top section of the center console. Assuming you aren't using the cell phone wiring harness (see blue arrow), carefully push it down into the armrest. If you are using the factory cell phone, you'll need to modify the following ... (more)
Posted : 24 May 2005  
 
Door Handle Replacement
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior - Doors
... still facing you) and using the pliers hook the hook from downgoing up. Then you will need to turn the housing back 180 degrees. Do itcarefully so you do not catch with the housing the leather panels and don'tput scratches on the leather. It will look like if you put the hook from updown. Next step is very important. 6. The housing has a guiding groove that goes behind the panel. You need ... (more)
Posted : 24 May 2005  
 
E39 M-Sport Steering Wheel Retro-Fit
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior - Steering Wheel
... look and feel... Turn the steering wheel to the center, straight-wheels position. Extend the steering column outwards and driver's seat back for ease of access. 2. Be absolutely sure the battery is disconnected. Use the 13mm socket to remove the negative lead from the battery. 3. Loosen the (2) T-30 Torx bolts until the airbag is free. The 2nd pic is inaccurate since the wheel is not in the ... (more)
Posted : 24 May 2005  
 
ULTIMATE GUIDE TO ARMRESTS FOR E39 (1997-2003) BMWS
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior - Arm Rest
... all from the Montana leather. If you wish to save ~$50 and aren't incredibly picky, you will be happy ordering the ''package deal,'' in my opinion. Frankly, I can't tell the difference in my car. Suggestions of Places to Purchase Pacific BMW 1.800.909.PART Pacific BMW Parts Nick Alexander BMW 1.800.800.NICK Nick Alexander BMW Parts Circle BMW 1.877.859.3123 Circle BMW Parts The above are mearly ... (more)
Posted : 24 May 2005  
 
Remove Center Console
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior
... ring. Figure 6. Removing the escutcheon. Figure 7. Escutcheon clips. The retaining ring that holds the boot to the escutcheon is released by depressing the two clips on the right side and two clips on the left side of the ring. These are accessed from the underside of the escutcheon and can be depressed by feeling their location. Pull the boot up to separate it along with the retaining ... (more)
Posted : 24 May 2005  
 
E39 Battery Storage Compartment
Model : BMW, 5 - Series (E39) 1996-03 Category : Interior
... puller (preferred) 1. Fold back the spare tire cover and use the screwdriver(s) or door panel puller to remove the 3 expanding rivets. The expanding rivet consists of two separate plastic pieces. The top flat piece has an attached center pin and can be completely removed from the bottom expanding portion of the rivet if necessary. This will reduce tension on the rivet and allow removal. ... (more)
Posted : 24 May 2005  
 
How to Replace the Trunk Lock Actuator on an e39
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior
... lock mechanism from the trunk actuator. 8) Detach this piece of plastic over from the old actuator to the new one. To remove, just push it down with about 1-2 lbs of force. See the picture below: 9) That's it! Reassembly is the reverse of disassembly. Remember to be gentle but firm when pushing in the clips. I actually broke one clip because I couldn't force it back in. No big whoop. They're ... (more)
Posted : 24 May 2005  
 
AC Schnitzer Sport Mirror Installation
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior - Mirrors
... that has the tweeter mesh grill. 3. Note the rubber accordion shape tubing. The mirror power wires run through it. After removing the 3rd T-30 screw, the whole stock mirror housing and bracket can be removed. You should be able to thread the wires through the rubber accordion tubing. This is the passenger side. It is the same as the driver's. 1. The stock mirror is released by pushing to the ... (more)
Posted : 24 May 2005  
 
E39 M5 Liner Install
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior
... is somewhat easier than trying to install a stock liner because it only needs to tuck into the rolled fender at the left and right edges, not in the middle. The first step is to guide the portion that goes into the shock tower as evenly as possible into position, while bending the bottom of the liner around the brake components. If the plastic edges catch part of the spring cap or something ... (more)
Posted : 24 May 2005  
 
E39 Aspheric (Wide-Angle) Mirrors + Heating Info
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior
... 0C thru 15C 50% 15C thru 25C 25% above 25C 0% (totally off) There is no manual control of their operation. Also - the washer nozzle heating is controlled in a similar way - but there are either on or off (single stage). They start to heat when the temp drops to +3C (same time as you get the ''freezing temp'' alert message). They turn off when the temp climbs to +6C. Both these heating ... (more)
Posted : 24 May 2005  
 
E39 Pre-2001 Color-Matched Trim
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior - Rear Bumper
... trim tends to get ''wavy'' during removal. If you want it to look good, you might want to do as I did and buy new 2001+ primered side trim. Painting existing chromeline trim (pre-2001): Front and rear trim have snap-off chrome strips, so a body shop can either paint the textured plastic as-is, or fill and smooth it prior to painting (my preferred method). It turns out very nice and new chrome ... (more)
Posted : 24 May 2005  
 
Installing E39 Rear Bumper and Color Matched Side Mouldings
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior - Rear Bumper
... and loosened the bolts. We unscrewed the correct bolts. We just couldn't figure out for the life of us how to get the thing off the car! This is where the big bolts hold the entire bumper housing on to the rest of the car. The stuff to the side is really just to hold the sides flush to the bumper. A preview of what the car will look like with body color moulding- sort of. I did have to make some ... (more)
Posted : 24 May 2005  
 
M5 grill installation photos
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior
... just finished installing the M5 grills on my 2000 540i. Cost was only $54 total from Pacific BMW. Installation was a snap. Photos follow. Passenger side grill removed. View from inside hood so you can see location of clips New M5 grills on shelf and stock grill laying in two pieces Close-up of removed grill Stock grill on left of photo. M5 grill on right of photo. Passenger grill ... (more)
Posted : 24 May 2005  
 
Cowl Replacement
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior
... side) about 20 degrees. It will come off easily once you have disengaged the retainers (see below). This pic simply shows how each duct is held on to the cowl. Hopefully this will give you a mind's-eye view of how to get them off. Here's one of the four cam clips. This one is down in the corner on the passenger side (US-spec 540!). There is a corresponding one on the driver's side, and two along ... (more)
Posted : 24 May 2005  
 
E39 Rear Fender Rolling
Model : BMW, 5 - Series (E39) 1996-03 Category : Exterior - Fenders
... Two warnings I will give are: ''Where to get the roller?'' I rented the roller from Tire Rack, but it was in fairly poor condition (i.e. semi-broken) and took something like 6 months to get. You might want to check online for any rental places that might have it available, although that's pretty difficult. If you had ~$500 available, they cost about that much. Again, it's probably more ... (more)
Posted : 24 May 2005  
 
Installation of Diana Cold Air Intake
Model : BMW, 5 - Series (E39) 1996-03 Category : Engine - Intake
... bolted to body to prevent vibrations). Apply two coat of touch-up paint, first coat must dry well then apply thicker second coat and while wet attach rubber trim piece. Wet paint will act as glue. Part of the metal tray that was removed. Shows plastic ring, which also needs to be trimmed. Use very sharp x-acto knife and trim from left and right side middle to the top middle, about needs to be ... (more)
Posted : 24 May 2005  
 
'97 540iA ECU Removal Instructions
Model : BMW, 5 - Series (E39) 1996-03, 540i Category : Electrical - ECU
... housing straight up and out. 7. Remove the (4) 5mm hex bolts and lift off the ECU compartment cover. Be careful not to let a bolt drop down the side. Don't ask me how I know... 8. A picture of the ECU compartment. This is for a '97 540iA, so you'll notice two computers with black wiring harnesses. One is for the automatic transmission and the other is the engine ECU. 9. Locate the correct ECU ... (more)
Posted : 24 May 2005  
 
ESS PD Series System 7PSI 8-cylinder 1996-1998 E39 Installation Manual Addendum
Model : BMW, 5 - Series (E39) 1996-03 Category : Force Induction - Supercharging
... holes as previously described. NOTE: I'm not really a ''machine shop'' person, so further questions on this step should be directed to ESS. I do think a drill press would be very helpful for this step. This procedure tends to be fairly time consuming and accuracy is a must. 11. Crank pulley bolt needs to be torqued to 100Nm. 12. The rear intake manifold cover uses (7) T30 bolts. This can be ... (more)
Posted : 24 May 2005  
 
M62 Oxygen Sensor Replacement
Model : BMW, 5 - Series (E39) 1996-03 Category : Exhaust - Oxygen Sensor
... nutdriver, unscrew the nuts at both ends of the box. 2. Disconnect the wire that goes to the Pre-Catalytic Converter Oxygen Sensor (or which ever one you are replacing, there are 4 total on the 540i, 2 Pre-Cat, and 2 Post-Cat), it just pulls apart with no special tools. Now place the end of the wire that goes to the disconnect O2 sensor through the closed end of your 22mm wrench and run it all ... (more)
Posted : 24 May 2005  
 
M62 Camshaft Position Sensor (CPS) replacement as performed on a 1998 BMW 540iA Sport
Model : BMW, 5 - Series (E39) 1996-03 Category : Engine
... So I hook the Peake up to the car this morning and it gives me an ''E'', which not only provides no diagnostic information, but means that there is a data communication problem. GREAT, without error codes it looks like a $ to the dealer. But thanks to Roadfly and you guys I decided to inspect the Camshaft Position Sensor and the MAF for ''physical damage'' before ... (more)
Posted : 24 May 2005  
 
Cracked sport seat frame fix
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior - Seats
... it by cutting two pieces of aluminum plate to match the frame rails along their entire length. Drilling holes to match the existing holes in the frame. Bolting it all together and adding an additional hole to help spread the load. Use counter sunk bolts and round the edges of the plate so the vinyl won't tear and cover it all back up and bolt it in. One tip...to get the adjuster knob off for ... (more)
Posted : 24 May 2005  
 
Fixing Power Door Locks
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior - Doors
... of the plug and recepticle.If the motor is getting the power but not operating then you can suspect a dirty/burnt motor...A burnt motor can't be fixed easy, but with luck yours is just dirty, so get ready to pull it apart - you can't break something that's already broken right?The whole procedure is outlined on a pdf file I will attach or send to the site. I learned the hard ... (more)
Posted : 24 May 2005  
 
Driver's Lock Cylinder repair
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior
... key is turned further to the 90 degree double lock position, the ball drops into a widened coutout slot. When that happens the locking arm disengages from the lock shaft. The square end of the lock shaft continues to turn the double lock mechanism though, which clicks over so that the spring holds the locking arm in place. At least that's the theory. The problem is that the hard ball ... (more)
Posted : 24 May 2005  
 
E30 Rear Seat Removal
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior - Seats
... lip approximately where the red arrows point in the pic above and pull straight up. It shouldn't take much force. The clip looks like this: 2. Pivot the front edge of the seat cushion upwards a bit and pull the cushion out. 3. Most E30's have two 10mm bolts holding the seat back in place. These bolts are usually located on the very ends of the seat back near the bottom left and right seatbelt ... (more)
Posted : 24 May 2005  
 
Door Hinge Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior - Doors
... to whatever BMW dealers may say. Buy a hinge assembly from a dealer. The bushing can not be bought without buying the entire assembly. I purchased mine from Foreign Motors West BMW in Natick, MA for $32 with my BMWCCA discount. Take the new hinge apart. Pull the C-clip and washer off the end with the flat screw head. Use a ratchet and remove the hex bolt from the other side. Use a punch and ... (more)
Posted : 24 May 2005  
 
Cleaning Leather and Vinyl
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... Not too much water to saturate the leather though, soggy leather takes awhile to dry. Same goes for the vinyl.4. Sponge bath your surfaces, make sure to rinse out the sponge in the bucket and then rinse the surface with the clean sponge.5. Once you have rinsed, dry the surface with the clean towel. If dirt rubs off on the towel, go back and wash it again.6. Afterwards, let your leather dry for ... (more)
Posted : 24 May 2005  
 
Proper Detailing
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... cut cleaner. Let a professional use compound and a standard buffer, but if you insist on it, email me, and I'll help you out.Try to avoid excess product. It will only mix with the others and be messy. With these cleaners, a shine will develop.Next step is the proper sealer. Think of the paint on your car as skin. The clay cleans your pores, the cleaner is like a washcloth, then we have ... (more)
Posted : 24 May 2005  
 
325 Motronic ECU information
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - ECU
... when I dismantled my glovebox to expose the ECU, the ECU had written on it in magic marker "bad idle" I also think starting with 173 the motronic firmware went from 1.1 to 1.3.The 153 computer is also a double board computer with the 2 PC boards pegged together with a bunch of posts and fasteners. These are a bitch to separate in order to expose the socketed chip (EPROM) that you ... (more)
Posted : 24 May 2005  
 
Cheap O2 Sensor Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Exhaust - Oxygen Sensor
... STRIP THE THREADS!!!3. Notice how the connector on your old BMW O2 sensor differs from the connector on the Ford O2 sensor. You will have to use your old connector. Cut the wires on your old sensor near the sensor, leaving you plenty of lead from the old connector. Cut the wires on the new Ford sensor near the connector, leaving you plenty of lead from the new sensor.4. Strip the wires on ... (more)
Posted : 24 May 2005  
 
L-Jetronic engine management scheme
Model : BMW, 3 - Series (E30) 1983-93 Category : Fuel System
... :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: Suspension & Steering :: Transmission :: Troubleshooting :: Ventilation & A/C SHOW ALL SUBMIT ARTICLE Note: Be careful when using any of the procedures described on this section, and remember you'll be doing it at your own ... (more)
Posted : 24 May 2005  
 
Motronic engine management scheme
Model : BMW, 3 - Series (E30) 1983-93 Category : Fuel System
... Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: Suspension & Steering :: Transmission :: Troubleshooting :: Ventilation & A/C SHOW ALL SUBMIT ARTICLE Note: Be careful when using any of the procedures described on this section, and remember you'll be doing it at your own risk; the ... (more)
Posted : 24 May 2005  
 
E30s that can't use unleaded fuel
Model : BMW, 3 - Series (E30) 1983-93 Category : Fuel System
... moving to unleaded fuel, or damage to your engine can occur.E30 models that can't use unleaded:ModelEngineYear316/316iM10 B16< 88318iM10 B1882 - 84320iM20 B2082 - 84320isS14< 92323iM20 B2382 - 84M3All85 - 89 Gustavo Melo Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: ... (more)
Posted : 24 May 2005  
 
Spark plugs condition explained
Model : BMW, 3 - Series (E30) 1983-93 Category : Engine
... appears yellow or green/yellow and shiny in appearance.Fault: Often caused by incorrect carburation, excessive idling followed by sharp acceleration. Also check ignition timing.Electrode Damage: Electrodes burned away. Core nose has burned glazed appearance.Fault: Pre-ignition. Check: Correct heat range and as for "overheating", above. Carbon Fouled Dry, black, sooty deposits.Fault: ... (more)
Posted : 24 May 2005  
 
Tips on how to stop fuel pumps from stuffing/jamming up
Model : BMW, 3 - Series (E30) 1983-93 Category : Fuel System
... the dirt straight into your fuel tank and possibly causing the pump to jam.When you fill up the cars fuel tank, always get a docket as if the station has a bad batch of fuel you can claim compensation for the price of a fuel pump replacement. I have done this once, and if you can prove that this is the case (if they get more than a few people complaining) they will compensate.If the fuel tank is ... (more)
Posted : 24 May 2005  
 
E30 3-Series Oxygen Sensor Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Exhaust - Oxygen Sensor
... the connector free, you will want to remove the wire harness from the two clips shown in this picture (Figure 4) Once you have the connector free, you will notice it has a screw-type collar, as shown here in Figure 5. Unscrew this collar, and pull the O2 sensor plug out of the connector (Figure 6). Next, you will want to remove the small heat shield around the O2 sensor, this simply pulls off ... (more)
Posted : 24 May 2005  
 
Shift linkage rebuilding
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain - Shifter Linkage
... shortened the shift lever throw by 33%. Many Roundel advertisers will mail order parts for 20% off sugg retail. NOTE: these parts are for suggested retail. The dealer does not have to charge that amount. One dealer near me charges sugg retail, another charges sugg retail + 50%. Hardest part of the installation is removing the nylon ball joint cup. Consider studying p# 25 11 2 220 600 (Nylon ... (more)
Posted : 24 May 2005  
 
Limited Slip Differentials on E30s (except 325iX)
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain
... will have in slippery conditions. It will also determine how much traction you have in corners where the inside rear wheel gets unloaded and almost airborne. It is nota good idea to have too much preload though, because itwill make the car understeer. The rear wheels will wantto run at the same speed, causing the car to run straight all the time.Do I have a LSD on my car?The diff housing has a ... (more)
Posted : 24 May 2005  
 
Differential seals replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain
... of the seal.If they are pushed in to long they will cover the ventilation of the differential case, and this will probably blow up the sealing when the differential gets very hot, and it will be hot when you drive hard with the car !!!)Now use some tool to bent out the old seal ( Be careful not to worn the mounting area into the differential case ( I used the same piece of wood that I used to ... (more)
Posted : 24 May 2005  
 
Shift Linkage Rebuild (Torn gearstick boot)
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain - Shifter Linkage
... ordered a new one. If not, I'd replace it anyway.) When it won't turn any further, you should be able to to yank the lever up out of the housing.Separate the shifter stub from the horizontal shift rod. Pay close attention to the orientation of the yellow spacer washer as you remove it, as you will want to orient the new one in the same way. Mine had the beveled edge facing out. I then ... (more)
Posted : 24 May 2005  
 
Manual transmission troubleshooting
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain - Transmission - Manual
... out of gearWorn or mis adjusted linkageTransmission-to-engine mounting bolts looseShift linkage bindingWorn shift forkLubricant leakTransmission lubricant level too highLoose or broken input shaft bearing retainerInput shaft bearing retainer O-ring or lip seal damaged (or both) Gustavo Melo Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel ... (more)
Posted : 24 May 2005  
 
The best lubricants (& change intervals) for BMW manual gearboxes and differentials
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain
... Redline D4 ATF. If there was no label, the gearbox will have 17mm INTERNAL wrench oil plugs, and should use Redline MTL GL-4 70W-80.Virtually all BMW manual gearboxes used before 1986 should use the same Redline MTL GL-4 70W-80 as you would use in the no-label / internal plug 1986-1992 gearboxes.For BMW's 1993 and newer, Redline recommends D4 ATF for all gearboxes, manual OR ... (more)
Posted : 24 May 2005  
 
Clutch troubleshooting
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain
... main seal leaking)Warped pressure plate or flywheelWeak diaphragm springClutch plate overheatedChattering when engaging clutchOil on clutch plate lining, burned or glazed facingsWorn or loose engine or transmission mountingsWorn splines on clutch plate hubWarped pressure plate or flywheelNoise in clutch areaFork improperly fittedFaulty release bearingClutch pedal stays on floorFork binding ... (more)
Posted : 24 May 2005  
 
Auto Transmission Fluid change
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain - Transmission - Automatic
... are screwed in tight. Undo and remove; remove the old filter and O-ring. Get your new filter and O-ring and install with the screws.Now reinstall the pan with the new pan gasket. The gasket has a U shaped cross section and just sits on top of the pan.It is trapezoidal in shape so make sure it is fitting correctly. Push the pan back in place - here is where the fill tube bothers you. Just try ... (more)
Posted : 24 May 2005  
 
Custom Throttle Linkage
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain
... it setup for turning. You will want one piece to be about 2.4" long. The other should be 7/8 or so. Basically, machine the pieces as per my drawings (found down below). The assembly should be self explanatory. You will need to chop off the crimped-on end piece from the cable, and then some after that. My cable had broken already once near the end, so I cannot give an exact amount to cut ... (more)
Posted : 24 May 2005  
 
Differential replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain - Differential
... 17mm combo wrench, as there is probably not enough room to get a socket wrench in the space. You can get to 2 or 3 of the nuts, then you will need to release the brake and put the car in neutral, so that you can turn the shaft to get to the remaining bolt(s). Apply the brake again and put the car in gear. Next, loosen the 12 (6 on each side) bolts that hold the half-shafts to the ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Differential Oil Change
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain
... seen Porsches in the past where jacks have punctured the floorboards. A handy reference is Waynes article on jacking up your BMW.http://www.pelicanparts.com/bmw/techarticles/E36-Jacking_Up/E36-Jacking_Up.htmNow jack up the front wheels of the car as well. We will want to get the car as level as possible in order to drain all the old fluid out of the differential. Now crawl under the car and ... (more)
Posted : 24 May 2005  
 
E30 1988-1991 E30 Smoked Sidemarkers
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... cut into (4) 15/16'' x 5-5/8'' rectangles. I highly recommend you measure your own sidemarkers to double-check the sizing. Regardless, you'll need to grind a bit away, so be sure you err on the side of larger. If you decide to do this yourself, be sure you know what's involved in bonding and cutting plexiglass properly. Here's the net result. 3. Use the flathead screwdriver to carefully pry ... (more)
Posted : 24 May 2005  
 
E30 Xenon Bulb & Ballast Installation
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... beam bulb. 7. I had to upgrade my fuse #13 and #14 from 7.5amp to 10amp to handle the extra draw from the ballast when igniting the arc. After the lamp is lit, it actually draws less current than stock halogen bulbs. 8. After testing and the ''wow'' factor is over, reinstall the rear light covers. The driver-side cover should fit perfectly, but I had to modify the passenger-side cover a bit to ... (more)
Posted : 24 May 2005  
 
Maplight Installation
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... information panel. I have the non-check control panel that only displays airbag and seatbelt warning. I also have a crank sunroof. I checked all these wires but there is no switched or constant 12V source in this wiring connector. For those of you with an E30 like mine, we're going to have to route power from elsewhere. For all of you with a check control panel, use the following pins for power ... (more)
Posted : 24 May 2005  
 
Dash Light Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... them and be careful to not drop them. I could not get the top steering wheel trim off, but I managed to pull it out of the way and get the trim piece behind the wheel off. Remove the screws that hold the trim that goes around the dash console. More screws to remove. With the trim around the dash console removed, the dash console can be removed by unscrewing the two screws at the top and two ... (more)
Posted : 24 May 2005  
 
E39 CELIS Light Source
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... Angel Eye) light source is a 12V 10W halogen lamp in a reflector housing which shines into a collector lens leading to the fiber-optic lines. The bulb is holder is plastic-welded together, so replacing the bulb would require breaking the weld. The halogen lamp gets focused onto this concentrator lens (see red arrow). The concentrator lens is spaced from the halogen reflector assembly by ... (more)
Posted : 24 May 2005  
 
Foglight Lens Replacements
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights - Fog Lights
... light. connector. They may be rusted a bit so be careful not to break anything. Use a 10mm socket to remove the bolts holding the fog light. into the front bumper. There are four bolts on each fog light. Bring the fog lights inside and carefully take off the glass lens. This was tough and I ended up breaking the lens. Get all the old silicone and glass bits out. Now is also a great time to ... (more)
Posted : 24 May 2005  
 
E30 Independent Fog Lights
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights - Fog Lights
... on. Required Parts: Small length of 16AWG wire Required Tools: Multi-meter Wire cutter Wire stripper Soldering equipment Flat-head screwdriver 1. Verify your fusebox has the exact same K3, K4, and K8 relays. This would be the first indication if this method is even feasible on your vehicle. If you have the same colored relays with the same schematics molded on the relay covers, it's a bit safer ... (more)
Posted : 24 May 2005  
 
Differential equation describing the straghtline motion of a vehicle
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... distance. The percentile values are not very large though and can be found in specialty books or manufacturer data.Considering the stretch of road flat and horizontal, the resistance forces consist of aerodynamic losses and tires rolling resistanceHere S is the frontal area of the vehicle, Cx is the longitudinal drag coefficient (adimensional, depending on the vehicles shape), r air density, g ... (more)
Posted : 24 May 2005  
 
BMW VIN decoding
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... More VIN decoding information Gustavo Melo Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: Suspension & Steering :: Transmission :: Troubleshooting :: Ventilation & A/C SHOW ALL SUBMIT ARTICLE Note: Be careful when using any of the procedures described on this ... (more)
Posted : 24 May 2005  
 
BMW engine and body codes
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... series from 1972 (4 Cyl.)E12/55 series with small 6 cyl.E12/65 series with big 6 Cyl.E213 series from 1975E21/53 series with small 6 Cyl.E237 series from 1977E246 series coupes (628-635 CSi/M6)E26Motorsports M1 with M88 engineE282nd version 5 series from 1981E302nd version 3 series from 1982E318 series coupe from 1990E322nd version 7 series from 1986E343rd version 5 series from 1988E363rd ... (more)
Posted : 24 May 2005  
 
On-Board Diagnostics (OBD)
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... to that associated with repairs triggered as a result of more traditional tailpipe testing of OBD-equipped vehicles. Regardless of the test used to identify a failure in the I/M lane, it is standard operating procedure for a repair technician to consult a vehicle's OBD system before attempting a repair. In fact, the repair community has been using the kind of information provided by OBD ... (more)
Posted : 24 May 2005  
 
Street Dyno
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... look the same, but far more features. Right now I consider it a "useable" [barely] piece of shi.. umm I mean software. After the screen capture there is more info on getting data and processing it. Click to Enlarge Here is the Voltage Divider schematic that I use to record my dyno runs. If you have a laptop with a soundcard in it, you can record the WAVE [.WAV] file directly into your ... (more)
Posted : 24 May 2005  
 
The NASA guide to home wheel-scuff repair...
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... spot putty is minutes but if it's cold or damp, this project is likely to not work out too well. Remember...keep your sanding to the IMMEDIATE area around the damage. Trust me on this. So once you've done the first round of putty, switch to the finer of your sandpaper (400 grit in my case) and sand and putty until it FEELS and LOOKS flush. Note that I use the paper wrapped around a piece of ... (more)
Posted : 24 May 2005  
 
More VIN decoding information
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... The 9th position is the location of the check digit and does not enter into the computation.The check digit is computed by multiplying the value of each character by its positional weight, summing the products, and dividing the sum by 11. The remainder is the value of the check digit; if the remainder is 10, the check digit is assigned the character 'X'.As an example, consider the ... (more)
Posted : 24 May 2005  
 
BMW On Board Diagnostics
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... times and lastly four times. If you read it correctly this means that the SI light is reading out the code 1244 (faulty camshaft sensor) The codes appear as a series of flashes for each digit. The flashes indicating one digit are about one second apart, the next digit will appear after a couple seconds interval. If there are no faults in the car, the computer will flash out the number 1444. ... (more)
Posted : 24 May 2005  
 
E36 M3 Shift Lever Install
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... to the rod. The first time I did this, it flew off and got stuck in the head shields. Try to get it off with your fingers before you pry w/ a screw driver.Go back in the car.You will see the white cup that the ball fits in. It is under the dust boot.There should be two arrow's on the top. Use a flat screw driver. Press against one of the arrow's and turn the cup 90 degree's ... (more)
Posted : 24 May 2005  
 
Suspension and steering troubleshooting
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... absorbersLoose anti-roll barBroken or sagging springsFront or rear wheel alignment incorrectErratic steering when brakingWheel bearings wornBroken or sagging springsLeaking wheel cylinder (rear drum brake models) or caliperWarped discsExcessive pitching and/or rolling around corners or during brakingLoose anti-roll barWorn shock absorbers or mountingsSagging or broken springsOverloaded ... (more)
Posted : 24 May 2005  
 
Differences between models
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... drive and only came in 325iX form (there was no such thing as a 318iX or a 325eX). It shares major components with the rest of the 325i, but uses a different oil pan and pump because of its front drive axle and comes with 15" rims (and unique +41mm offset). It also featured side skirts and slightly flared fenders to differentiate itself from other 2WD models. The "c" denotes a ... (more)
Posted : 24 May 2005  
 
Advice on modifying your E30
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... a particularly wide tire (my 225/40's rub sometimes). An example: taking a left hand turn into a driveway that has a steep entrance will cause the suspension to compress and the tire to rub the fender lip. If you happen to rub the lip with your tire it will bend the inside edge of the lip down and crack the paint (ask me how I know). In order to prevent this, make sure you roll the fender ... (more)
Posted : 24 May 2005  
 
A list of common problems
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... it's near bullet-proof except for the 2nd gear synchro. Driven with some care, it'll last forever. I use Redline MTL (manual tranny lube) in mine.Clutch slave cylinderAbout $25 front various suppliers.Symptoms - you have to add brake fluid frequently (the brakes and the clutch hydraulics share a reservoir).Also, the clutch may not always disengage fully or may feel soft. Easy ... (more)
Posted : 24 May 2005  
 
Can I make my 325is outrun a M3?
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... for the total RPM range used in accelerating. That's why the 325is is faster when you give it the same gearing.See my other tech article "Pros and cons of changing ring-and-pinion ratio (differential) for performance" for more detail on this differential gearing bizness.Now, with a good chip, properly done cone airfilter conversion, and a good premium free-flow exhaust ... (more)
Posted : 24 May 2005  
 
Performance mods that give the biggest gains for the money
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... potential for acceleration, cornering and braking.Re-build the motor with internal modifications such as the 2.7 liter conversion, Schrick camshafts, Mass Air Flow meters. Close to 250 HP possible.Perform radical motor modifications such as turbocharging, supercharging, nitrous oxide injection, or "engine swaps."Aerodynamic improvements. This is mentioned last because its effects are ... (more)
Posted : 24 May 2005  
 
Rims and Tires
Model : BMW, 3 - Series (E30) 1983-93 Category : Wheels and Tires
... and 25 longer lug nuts. The ride different with the new rims and tires is fantastic. The car is so much smoother and quieter. The interior rattles less as a result of the round rims and tires! Grip is improved but I haven't tested how well the new tires grip at this time. Click on the thumbnails for larger pictures. After the UPS man dropped the rims off, all I could do is stack them in the ... (more)
Posted : 24 May 2005  
 
E30 Smog Survey
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... 0.20 108 31 67 0.71 0.10 0.30 767 237 754 PASS 25mph 1918 15.10 0.00 83 20 17 0.58 0.09 0.06 706 199 180 PASS %CO2 %O2 HC (PPM) CO (%) NO (PPM) Test RPM MEAS MEAS MAX AVE MEAS MAX AVE MEAS MAX AVE MEAS Results DKSF (1988 325is 123.7K mi - CA - 05.03.04 - Initial run) 15mph 1658 14.67 0.20 114 31 115 0.73 0.10 0.52 785 237 965 FAIL 25mph 1825 14.85 0.10 88 20 84 0.61 0.09 0.29 724 199 488 ... (more)
Posted : 24 May 2005  
 
Autocross for Beginners
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... can get an inexpensive open-face G-Force or HJC helmet with a Snell 95 rating for under $100 at many motorcycle shops or via mailorder from several sources. If you can spend more money, you can get a Bell Mag 4 or Simpson LX series for under $200. I bought my Mag 4 directly from Bell and they beat the price of their dealers. I prefer an open-face helmet for autocross cause I can see and hear ... (more)
Posted : 24 May 2005  
 
Noisy power steering fix
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... the source of my noise, it was very restricted before cleaning)Flush the system with new ATF by leaving the return hose off the res and into a waste bucket, install the clean res with the return port plugged, and the supply hose connected to the res, fill the res, have someone crank the car and turn the wheel, as the fluid is sucked out of the res by the pump, keep adding fresh fluid until ... (more)
Posted : 24 May 2005  
 
Cleaner windshield washer fluid
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... of those $8 inline see-through fuel filters on the outlet side of the washer pump which supposedly filters down to 5 microns.Total cost, not including the pump I broke, about $15. I blew the dirt out of the driver's jet and hooked everything back up. It flows very nicely and dirt won't plug the check valve again.One note, if you want to cut the install time down, don't pull new ... (more)
Posted : 24 May 2005  
 
BMW E30 3-Series Parking Brake Adjustment
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... causing them to not grip the inside of the rotor. The solution is to re-adjust the shoes so that they again come into contact with the rotor. Heres how it is done. Start off by chocking the front wheels. This will keep the car from rolling when you jack up the rear wheels, which is the next step. For those of you not familiar with jacking up the rear end, I highly recommend you check out ... (more)
Posted : 24 May 2005  
 
Poor Air conditioner operation
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior - Heating and Air Conditioning
... should turn on at its lower speed whenever the A/C is on. (This fan also goes on independently of the A/C operation at certain engine temperatures)To check, turn the key to the On position (you don't have to turn on the car) and press the A/C switch. Go to the front of the car and look at the fan. If it isn't turning, its low speed resistor is probably bad.The resistor is bolted to the ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Air Conditioning Recharging and Repair
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior - Heating and Air Conditioning
... over your system. The first step is to verify that the compressor kicks on when you hit the switch. Start the engine, then turn the A/C fan on to maximum and press the A/C button on. Now open the hood and look down at the compressor on the passenger side down near the radiator. Look at the front of the compressor.. Is the clutch engaged? What you are looking for is the plate on the very front ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Rear Wheel Bearing
Model : BMW, 3 - Series (E30) 1983-93 Category : Wheels and Tires - Wheel Bearings
... the lines. Now, remove the two 19mm bolts that hold the caliper mounting bracket to the hub, and remove the caliper mounting brackets. We now must remove the brake rotors. This is done by first removing the small Allen head set screw in the front of the rotor. You may find it helpful to spray these bolts with a good penetrant spray like WD-40 and let them sit overnight. This will prevent the ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Front Wheel Bearing Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Wheels and Tires - Wheel Bearings
... you may rip the lines. Now, remove the two 19mm bolts that hold the caliper mounting bracket to the hub, and remove the caliper mounting brackets. We now must remove the brake rotors. This is done by first removing the small Allen head set screw in the front of the rotor. You may find it helpful to spray these bolts with a good penetrant spray like WD-40 and let them sit overnight. This will ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Idle Speed Troubleshooting
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... valve. On the right side is the vacuum attachment for the power brakes. Start out on the right side and loosen the hose clamp holding the brake fitting into the intake air boot. Now, on the right side, disconnect the electrical connector from the idle control valve, and remove the rubber strap holding the valve to the bracket. Now look at the other vacuum hose off the valve. We will ... (more)
Posted : 24 May 2005  
 
Replacing the Steering Rack
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... rack. Once the 13mm bolt is removed from this piece the shaft may still be stuck. I took a screwdriver and carefully tapped it into the cut to try to expand it. You must make sure you don't drive the wedge in too deep otherwise you may damage the spline. Then I took the screwdriver and pried between the steering knuckle and the rubber ring on top of the rack. After a while the ... (more)
Posted : 24 May 2005  
 
Toggle switch for colder A/C
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... in the cockpit (I used the panel above the driver's knee).The two wires which are jumped for my car (87 325is) are the "Outboard" and middle wires as show clearly in the pictures:This switch has been installed and used on my car since 1992 with no problems thus far.With the switch ON... the fan runs in HIGH regardless of what the A/C is doing.With the switch OFF... operation is ... (more)
Posted : 24 May 2005  
 
Homemade Clutch stop
Model : BMW, 3 - Series (E30) 1983-93 Category : Driveterrain
... smaller. it should be able to fit the head of the hex bolt snuggly. (could be sold in packs of 4)Procedure:take out the old plastic clutch stop with a screwdriverthread both nuts onto the bolt, then put on the washerthread the bolt into the old clutch stop holeput the rubber boot over the top on the hex headadjust the distance and then test it, make sure you can disengage the clutch fullytighten ... (more)
Posted : 24 May 2005  
 
Ventilation only works in high (4) position
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... bottom, look for a small brown plastic board with two "arms", one on each side, pointing down, and three resistors, (they look like springs). This board its held in place by its electrical connector, at the back. Just pull it in your direction.This board is probably VERY dirty - mine was! Clean it thoroughly (the contacts on its back, the thermal switch on the middle, the resistors, ... (more)
Posted : 24 May 2005  
 
BMW E30 Rear Disc Brake Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... over the edge. (Ask me how I know this.) The next step to remove the rotors is to remove the brake caliper bracket that sits on the back of the hub. You will notice two large bolts holding it to the hub. Remove these two bolts, and remove the caliper bracket. The brake rotor should now come free. Once you have the brake rotors removed, take them to the auto parts store, machine shop, etc.. ... (more)
Posted : 24 May 2005  
 
ABS malfunction diagnosis
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... which may give a false signal to the ABS warning light. This is especially true if snow tires have been mounted on the rear wheels only.ABS Wheel sensorsSome 3 Series vehicles may experience a situation in which, during braking, the ABS will activate even though the brake application is light and traction is good. This may be caused by the pulse ring being loose on either front wheel hub, which ... (more)
Posted : 24 May 2005  
 
BMW E30 Front Disc Brake Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... and a potential nightmare that will send you screaming over the edge. (Ask me how I know this.) The next step to remove the rotors is to remove the brake caliper bracket that sits on the back of the hub. You will notice two large bolts holding it to the hub. Remove these two bolts, and remove the caliper bracket. The brake rotor should now come free. Once you have the brake rotors removed, take ... (more)
Posted : 24 May 2005  
 
Building a brake bleeder
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... -- 2 feet of 3/8" OD x 1/4 ID vinyl hoseto go from Tank #1 to the cap #3.HOSE -- 2 feet of 5/16" OD hoseto drain the fluid into Tank #2.HOSE -- 9" of stiff 1/4" OD tubing to fit inside Tank #1 from the drilled valve down to a corner in the tank (take a look at the pesticide tank in your garage if you can't visualize this).VALVE STEMS -- 4 metal type screw valve ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Cross-Drilled Front Brake Rotor Upgrade
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... a tendency to rust to the rotor face. It may even be helpful to carefully heat up the bolt with a torch. CAUTION: be sure to take extreme safety precautions anytime you are working with a torch. This means wearing the correct clothing, safety goggles, and making sure there is no flammable material in the immediate area. Next, have a helper apply the brakes. This will secure the brake rotor ... (more)
Posted : 24 May 2005  
 
Brakes troubleshooting
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... brakesMaster cylinder pistons not fully returningClogged brake linesHandbrake incorrectly adjustedGrabbing or uneven brakingFaulty brake servo unitBinding brake pedal mechanismSpongy pedal when depressedAir in systemMaster cylinder mounting bolts loosefaulty master cylinderPedal travels to floor with little resistanceLittle or no fluid in the reservoir. Suspect leaking caliper ... (more)
Posted : 24 May 2005  
 
Bedding in new pads and rotors
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... slowdown, immediately accelerate back to 60mph. DO NOT COME TO A COMPLETE STOP! (Note: With less aggressive street pads and/or stock brake calipers, you may need to do this fewer times. If your pedal gets soft or you feel the brakes going away, then you've done enough. Proceed to the next step.) During this process, you must not come to a complete stop because you will transfer (imprint) pad ... (more)
Posted : 24 May 2005  
 
Solid face vs slotted vs crossdrilled brake discs
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... slots in the disk surface increases the coefficient of friction between the disk and pad for more braking force. These techniques also help cool the disks / pads, and shed water like tire treads for better wet performance. I would never recommend drilled disks for the reasons above unless they are manufactured that way (Porsche).So what WOULD I recommend?Let's just skip directly to the best ... (more)
Posted : 24 May 2005  
 
Noises while braking
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... caused by wear, BMW sells repair kits to fix them. Just ask at your local dealer.From the BMW digest:Two days ago I noticed via the "echo of the wall" method that I could hear a "clunk" when I braked in the opposite direction - in reverse after braking in the forward direction, and in the forward direction after braking in reverse. I thought perhaps the calipers had worked ... (more)
Posted : 24 May 2005  
 
How to adjust your brakes pedal
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... to I have had to heat the nut to get it loose. Open flames under the dash are NOT recommended if at all possible for lots of reasons we won't get into here.If you can't get it loose, I strongly urge you to take the car to your local mechanic to let him break it loose. If you have a good relationship with him, he probably won't charge much if you already have the valence off.Once ... (more)
Posted : 24 May 2005  
 
Getting rid of the brake dust
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... cleaning & protection kit.The kit contains a wheel cleaner and a bottle of anti-brake dust wheel coat spray, a stuff that prevents brake dust from building up and etching to your wheels.After applying this, the brake dust came out with plain water... I really recommend this product.You can find Zymöl at http://www.zymol.com Gustavo Melo Back SECTIONS :: Audio :: Body :: Brakes :: ... (more)
Posted : 24 May 2005  
 
Bleeding the brakes system
Model : BMW, 3 - Series (E30) 1983-93 Category : Brakes
... the fluids moving.With the brake line closest to the fluid reservoir, open your calliper nipple. With the first line, you want to completely replace the fluid in the reservoir with fresh fluid (unless you did this prior to beginning). Close the nipple when the fluid is very clean and when you see no more air bubbles.Work your way towards the longest brake line's calliper and repeat this ... (more)
Posted : 24 May 2005  
 
Flushing the cooling system
Model : BMW, 3 - Series (E30) 1983-93 Category : Engine - Cooling System
... the rubber washer looked a bit on the aged side.Step 6:Loosen the bleeder screw on top of the thermostat. On my engine, this was an 8mm brass screw that stripped when I looked at it. I sprayed it with WD40, played with the kids for a few minutes and was able to gently loosen it with a pair of vise grips. Pour in coolant/water mix until it comes out the bleeder screw opening. I started with 4 ... (more)
Posted : 24 May 2005  
 
Cooling system troubleshooting
Model : BMW, 3 - Series (E30) 1983-93 Category : Engine - Cooling System
... cylinder head gasketCracked cylinder head or boreCoolant lossToo much coolantCooling boiling because of overheatingExternal or internal leakfaulty radiator (or expansion tank) capPoor coolant circulationFaulty water pumpCooling system cloggedWater pump drivebelt faulty or mis-adjusted Gustavo Melo Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: ... (more)
Posted : 24 May 2005  
 
Cooling system scheme (4 cylinder engines)
Model : BMW, 3 - Series (E30) 1983-93 Category : Engine - Cooling System
... :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: Suspension & Steering :: Transmission :: Troubleshooting :: Ventilation & A/C SHOW ALL SUBMIT ARTICLE Note: Be careful when using any of the procedures described on this section, and remember you'll be doing it at your own risk; the article authors ... (more)
Posted : 24 May 2005  
 
Cooling system scheme (6 cylinder engines)
Model : BMW, 3 - Series (E30) 1983-93 Category : Engine - Cooling System
... :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: Suspension & Steering :: Transmission :: Troubleshooting :: Ventilation & A/C SHOW ALL SUBMIT ARTICLE Note: Be careful when using any of the procedures described on this section, and remember you'll be doing it at your own risk; the article authors ... (more)
Posted : 24 May 2005  
 
BMW E30 Coolant Temp Sensor Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Engine - Cooling System
... to clean all this off prior to removing the sensor. Ive heard a lot of different ways to remove rust, but believe it or not, the best way Ive found is to go to your local vending machine and buy a can of Coke. A toothbrush and some Coke will clean up just about any rust you can imagine. (this is another convincing argument why soda pop is bad for you.) just get it clean and pull the old ... (more)
Posted : 24 May 2005  
 
Replacing the Thermostat
Model : BMW, 3 - Series (E30) 1983-93 Category : Engine - Cooling System
... Remove the fan & shroud. Now remove the two large supply/return hoses from the housing (#1 & 2 in 2nd diagram). The clamps can be undone with a flat-blade screwdriver (#3 in 2nd diagram). They may be stuck on pretty well with years of corrosion, and may require some elbow-grease to get them off. *OPTIONALLY* You can remove the radiator as well (take off part #6 in diagram 1 by removing ... (more)
Posted : 24 May 2005  
 
Thermostat Replacement &
Model : BMW, 3 - Series (E30) 1983-93 Category : Engine - Cooling System
... Unplug the other hose. Note that more coolant will escape so have a catch basin ready below the hoses. This job is messy. I removed the radiator shroud to make the access easier with a 10mm socket. This is not necessary. The Bentley manual (the E36 one for the M44 engine) recommends removing the fan to get access to the thermostat. I tried this but I couldn't get the fan off. You need a 32mm ... (more)
Posted : 24 May 2005  
 
In Dash Air/Fuel Monitor Gauge
Model : BMW, 3 - Series (E30) 1983-93 Category : Exhaust
... by me by playing with this A/F Meter. You can start with this information and practice. If you have found anything wrong or incorrect in this article, please email me. Adjusting P1: Apply 0.92 Volt (check it w/ a digital voltimeter) to the signal input and adjust P1 until led 16 just comes on. or: Turn on your engine and wait about 15 or 20 minutes to warm up the O2 sensor. If you have CIS ( ... (more)
Posted : 24 May 2005  
 
Exhaust system installation
Model : BMW, 3 - Series (E30) 1983-93 Category : Exhaust
... can be removed by taking the bolt out on the little metal hanger. Don't lose that bolt because you won't get a replacement in your kit.Once you have removed that, and the stretchy rubber hanger, you are ready to move to the hard(er) part.The last connection on your exhaust is right next to you catalytic converter. You might find that these four bolts are harder to remove than any other ... (more)
Posted : 24 May 2005  
 
Replacing a rear wheel bearing
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... crocus cloth it smooth. Lightly lubricate to aid pushing in the new bearing. To push the new bearing in, use the large 5" steel disk to push against the outside edge of the bearing evenly. Use a steel plate larger than OD of the back of the bearing socket opening to hold the threaded rod and nut. Old lawnmower blades come in handy.The last 6 mm of push of the bearing into the socket, I ... (more)
Posted : 24 May 2005  
 
E30 Front Springs and Shock Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... tool. Once you have the nut off, the control arm should be lowered as far as it will drop, this will allow you enough clearance to remove the rest of the assembly. Next, reach up inside the spring perch and remove the top strut mount; you may need to move the strut assembly to one side to gain access to this mount. Once you have it removed, also remove the upper spring retainer plate and rubber ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Front Suspension Bushing Overhaul
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... I have found that it is possible to have only the joints replaced. You will find it nearly impossible to get these joints out without use of a hydraulic press. IN certain circumstances, the ball joints are spot-welded in and can be simply drilled out. Have the machine shop press the new ball joints in for you as well. To remove the rear control arm rubber bushing, we will need to use a ... (more)
Posted : 24 May 2005  
 
E30 Rear Springs and Shock Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... speedometer sender on the back of the differential. After you disconnect the sender, look up at the rear differential mount. It is essentially a large rubber bushing, with a bolt through it. Using an open-ended wrench on both sides, loosen and remove the bolt. This will allow the differential to drop down when you lower the jack (Figure 9). Note that Figure 9 shows the sender still installed ... (more)
Posted : 24 May 2005  
 
Front Shocks, Springs, and Strut Mount Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... the spring compressed in the strut. This picture shows one strut with a pair of spring compressors on it because I was about to compress the spring on my workbench when I realized I wanted a picture of the two struts out of the car. In conclusion, you don't need to compress the front springs while on the car. Use spring compressors and take the pressure off the strut. Take the nut off the top ... (more)
Posted : 24 May 2005  
 
Car balance for FWD and RWD cars
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... grip for engine braking that the trailing throttle oversteer has to give way to some understeer at full throttle lift.In this graph I have faded both sides to focus on the only available torque in a fast gear like fifth. Now the cars are unable to break into dynamic friction by using the throttle, and the driver has to steer by using the steering wheel only. My own car does nothing but ... (more)
Posted : 24 May 2005  
 
Replacing the rear subframe bushings
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension - Bushings
... removing the differential is to disconnect the drive axles from the output flange. For this you want to use an 8mm Hex socket, not the L-shaped allen wrench. Trust me on this one. I thought I would save 5 bucks by using my existing allen wrench and it didn't work worth a darn.So, once I got the 8mm Hex socket I began the ardous task of setting the parking brake, climbing under the car, ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Rear Sway Bar Drop Link Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... the car is up in the air and secured on the jack stands, remove the rear wheels. Behind the rotor/hub assembly, you will see the complete sway bar assembly attached to the rear trailing arms. The first step in restoring the bushings is to locate the suspension drop links. These are used to attach the sway bar to the trailing arms. If you look on the top the arms, you will see the mounting ... (more)
Posted : 24 May 2005  
 
Suspension and steering troubleshooting
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... absorbersLoose anti-roll barBroken or sagging springsFront or rear wheel alignment incorrectErratic steering when brakingWheel bearings wornBroken or sagging springsLeaking wheel cylinder (rear drum brake models) or caliperWarped discsExcessive pitching and/or rolling around corners or during brakingLoose anti-roll barWorn shock absorbers or mountingsSagging or broken springsOverloaded ... (more)
Posted : 24 May 2005  
 
Replacing the rear shocks mounts
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... » Remove the bolt that holds the bottom of the shock to the trailing arm, (hold the shock so it doesn't fall); « Shock-to-trailing arm boltTake off the top rubber mount: Loose the big nut at the center. Hold the shock by grasping the FLAT END of the guide: Be carefull, you can ruin the thread!;Install the new mounts, and don't forget the new gasket, between the mount and the ... (more)
Posted : 24 May 2005  
 
Replacing rear shock absorbers and springs
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... to cut hands. Remove all jacks and tools from the wells at either side of boot (or Battery if you have a 6 cylinder car), the storage box in the well on rhs will also have to come out.6. With the bolts undone, the shock should come free, have someone to hold the shock while you are undoing the last few turns of the bolts to avoid any car or toe damage.7. If you intend using the shock mounts ... (more)
Posted : 24 May 2005  
 
Changing Rear Shock Mounts On BMW E30 3 Series
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... removed, and prevent the control arm from swinging down and causing possible damage to suspension components. Next, use a 19mm wrench or socket to loosen the lower shock absorber mounting bolt. Do not remove the bolt just yet, just get it loose. Next, go inside the trunk and remove the two 10mm nuts that hold the shock mount in place. Now, go back down to the lower mounting bolt and remove ... (more)
Posted : 24 May 2005  
 
Control Arm/Control Arm Bushing Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... as described in my sway bar replacement tech proceedure. There is a bolt in the passenger side control arm that is very hard to get to and removing the sway bar gave me enough room to get to the bolt. I'm sure it is possible to do this proceedure without removing the sway bar, but why not take this opportunity to replace your sway bar mount bushings and sway bar links. Remove the bolt holding ... (more)
Posted : 24 May 2005  
 
BMW E30 3-Series Sway Bar Bushing/ Drop Link Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension - Bushings
... Repeat this for both sides. Next, locate the drop links. They will behind the brake rotor assembly. One end attaches to the sway bar itself, the other connects to the control arm. Start out by disconnecting the upper mounting bolt on the drop link. This will allow you to remove the drop link from the sway bar. Now we will need to remove the sway bar itself from the chassis. This is done by ... (more)
Posted : 24 May 2005  
 
Rear Shocks, Springs, and Rear Shock Mount Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension
... gasket, lock nuts, and Z3 reinvestment plate) Various Sockets (2) Spring Compressor Click on the thumbnail for larger pictures. I apologize for the low resolution pictures. I had forgotten my new camera at work the weekend I did this procedure. Lift the rear end of the car and support it properly with a bottle of beer... or a jack stand. Your choice. Peel back the linking in the trunk to ... (more)
Posted : 24 May 2005  
 
Front suspension tricks
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension - Bushings
... front, but be aware there will be a loss of some of the predictability that we rely on when near the edge in a corner. The lower link bolts onto a hole in a re-inforced boss on the control arm. There are three holes cast into the arm for lightening, and you can, by hand, align the bolt to fit the next hole, thus stiffening the anti-roll. You should install some small washer to take up the ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Rear Sway Bar Bushing Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension - Bushings
... mind that you must jack the rear up from a good structural point on the car, such as a frame rail or a suspension carrier. Otherwise, you risk putting the jack right through the floor of the car. (I have seen this happen on a Porsche 914, and its not pretty). For those of you who are not familiar with jacking the car up, I highly recommend you read Waynes article on jacking up the E36. It does ... (more)
Posted : 24 May 2005  
 
Installing thicker rear anti-sway bars
Model : BMW, 3 - Series (E30) 1983-93 Category : Suspension - Sway Bars
... of 300 miles per week and like to slide my Dunlop SP8000's every chance I get. Jim Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: Suspension & Steering :: Transmission :: Troubleshooting :: Ventilation & A/C SHOW ALL SUBMIT ARTICLE Note: Be careful when ... (more)
Posted : 24 May 2005  
 
325 Motronic ECU information
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - ECU
... when I dismantled my glovebox to expose the ECU, the ECU had written on it in magic marker "bad idle" I also think starting with 173 the motronic firmware went from 1.1 to 1.3.The 153 computer is also a double board computer with the 2 PC boards pegged together with a bunch of posts and fasteners. These are a bitch to separate in order to expose the socketed chip (EPROM) that you ... (more)
Posted : 24 May 2005  
 
Central locking system troubleshooting
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... weak. Remember, the drivers door should LOCK completely mechanically (ie you can disconnect the battery and check this out) by turning the key 45 degrees to the right. If it doesn't quite lock, or takes a few tries to get the lock button to go down completely, then the lock cylinder probably needs replacing.If you also can't turn the key past 45 degrees, it probably means the lock ... (more)
Posted : 24 May 2005  
 
Cheap Flasher Relay Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... a Hella parts catalogue we found a relay that had the same plug end as the BMW part. In fact it was exactly the same part the only difference being the Hella part had a clear plastic case and the BMW part had a black case. The Hella part is used in Ford Escorts, Nissan Pulsars, Nissan Bluebirds, Toyota Coronas, Toyota Corollas and a few other Australian cars. The part number is 3016 and it ... (more)
Posted : 24 May 2005  
 
Coolant Level Sensor Bypass
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... system is functioning properly. I decided to bypass the sensor temporarily until the proper replacement sensor arrived from Bavarian Autosport.The following is a simple procedure to bypass the sensor: Items Needed: 1 inch of wire (I leave it to you to choose the specific gauge.) Wire Strippers or Razor BladeProcedure: 1. Strip off 1/3 of the insulation at each end of the 1 inch wire, leaving 1/3 ... (more)
Posted : 24 May 2005  
 
Fixing windows switches
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... There are four small tabs, two on each side, that lock the casing. Pry with a small screw driver, or utility knife. Be careful or you'll brake the casing.3. Now you'll see why the window doesn't work... Clean all that gunk over the contacts using contact cleaner, or WD40 (or anything else that works) including the ones at the buttons.4. Look carefully at the two bottom little ... (more)
Posted : 24 May 2005  
 
CD/MP3 Player Installation
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - Radio
... in the trunk. Performed April 2004 Update 1: I've had some issues with the stereo. First, I was getting an alternator noise out of the front left channel. Before I realized it was just the front left, I tried adding capacitors to the power supplies of the headunit and I re-routed the RCA cables away from the passenger side of the car where the power wire to the battery is located. Each fix ... (more)
Posted : 24 May 2005  
 
Fog Lights Without Low Beams
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights - Fog Lights
... the driver and pin #30 should be facing you as you are standing on the driver side facing the fuse box.3. If everything is oriented as described above, then this modification should operate correctly on your E30. If not, you will need to look at your Benleys Service Manual and figure out how your specific E30 is wired.4. Strip off 1/3 of the insulation at each end of the 1 inch wire, leaving ... (more)
Posted : 24 May 2005  
 
Replacing the SI board batteries [2]
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... so last longer when you pull out the car battery, and perhaps not die as soon either. (The Varta's have 600 mAmp hours capacity vs 450 for the Radio Shack AAs. Both are 1.2V). The old batteries are held on by tabs that are welded to the battery on one side, and soldered to the board on the other. Remove the solder with a solder-sucker or solder wick (again, see Radio Shack), straighten ... (more)
Posted : 24 May 2005  
 
Installing Front Speakers in the BMW E30 3 Series
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - Radio - Speakers
... speaker holes. Transfer this onto the door panel and use a marker to draw the circle on the door panel, using the measurements you made before for the center point. Now we cut the panel. I like to use a hole saw with an adjustable radius. I used a drill press to cut out the holes, however a hand drill on low speed will work as well. You dont want to use high speed here; you are cutting ... (more)
Posted : 24 May 2005  
 
Replacing the SI board batteries
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... Str, 45Frankfurt069 303983I called Dickmann and as soon as I said 500 RST they said "BMW"! I was informed that this battery was no longer available and that the replacement was part number 55110201059. Price DM 12,30 each (slightly less than $8 each).I promptly went off and bought two.From the pictures you can see that they have the same solder lugs as the 500 RSTs.E28 SI ... (more)
Posted : 24 May 2005  
 
Fuses description
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... Radiator cooling fan217.5Glovebox lightFlashlightIgnition Key/Seat Belt warningInterior LightsRadio MemoryTrunk LightActive Check ControlService Interval IndicatorOBCFuel deliveryTachometer/Fuel Economy GaugeDigital ClockMulti Function Clock227.5Active Check ControlFront Parking LightsTaillightsFront Side Marker Lights237.5Instrument Panel LightsFront Parking LightsTaillightsRear Side ... (more)
Posted : 24 May 2005  
 
How to Make Your E30's Sidemarkers Blink
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... Be careful not to cut the wire completely.Take the 6" long 14 gauge piece of wire (strip both ends) and attach the 2" long BROWN wire from the sidemarker to the stripped spot on the BLUE wire of the front turnsignal.Repeat steps 1 to 5 for the other front sidemarker.Back Sidemarker Procedure:From inside the trunk, remove the assembly holding the tail light bulbs by unscrewing the ... (more)
Posted : 24 May 2005  
 
Illuminating the stock gear shift knob
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... of transparent amber-colored plastic ruler (fig. 5)Fig.5Bulbs: I used two 12 V, about 4 mm long, about 1.5 mm in diameter bulbs (I bought ones at electronic components store - they were about 2 Litas (Lithuanian currency J), about half a dollar both) (Fig. 6). You can use two 6 V the same size bulbs, but in this case you will have to connect them consecutively. I soldered the bulbs to the ... (more)
Posted : 24 May 2005  
 
Power windows w/ doors open
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... wiring conform to their respective polarity.Hook up contact 87 to the input of the circuit breaker, this is to prevent the window circuit from overloading.Use this info as a guide only, if in doubt have circuit checked with a qualified electrician or technician. I hold no responsibilities over any faults incurred by any parties.Any queries please email me at tj1@writeme.com (detailed installed ... (more)
Posted : 24 May 2005  
 
Power window switch rebuild
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... do this job now, the less likely you are to have to do it again soon. The individual buttons come up out of the button body which makes them easier to clean. The spring contacts brass at the base of the light bulb sockets and carry juice up into the button. I made sure to clean up the base of the spring so it made a good contact. This photo fails to show an important part you should do: On the ... (more)
Posted : 24 May 2005  
 
Non-functioning gas/temp gauges
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... connection again when I put the instrument panel back together.It turns out that the threaded lug is the signal that tells the gauge to deflect backwards, towards empty or cool. Power is applied to pins 1 and 2 to cause the meter to deflect to the full or hot position.The solution was to solder a wire from the casing on the meter (which is connected to the thread lug) to the appropriate trace ... (more)
Posted : 24 May 2005  
 
Non-functioning Directional Light
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... your E30 has, there are extra lights plugged into the cluster. You will have to remember where these plug in. My car had three extra plug ins, one that plugged into the speedometer, one check engine light and one anti-lock brake light. I leave it to you to remember where these extra plug ins belong in your car.4. Once you have the instrument panel out, you will need to remove the plastic ... (more)
Posted : 24 May 2005  
 
E30 LED Key Conversion
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... to remove it from the key. Carefully use the screwdriver to depress the two mounting tabs on either side while applying slight force to separate the two halves. If the pieces don't fly apart, inside you'll find a small incandescent bulb, thick lithium battery, copper metal contact piece, and silver spring. Discard the bulb, recycle the battery, and remove the copper and silver spring ... (more)
Posted : 24 May 2005  
 
Radios and displays
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - Radio
... jewellers screwdrivers your dad keeps giving you and you keep losing. Remain one with the radio. Have a drink. Do not offer a drink to the radio. Gently remove the face of the head unit. I mean GENTLY. Leave no marks, lose no screws. Once off, examine the faceplate. Is the green display that's bothering us so badly caused by a green filter lens on the front of the display? If so, change ... (more)
Posted : 24 May 2005  
 
Some Audio advice
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - Radio
... will have full dynamic control over the sound curve, and beautiful, full, deep sound. but... some of us still want that deeper note to be a little bit deeper! Now you move on to the final step.. subwoofers.With subs there are a million options and unfortunately, the E30 trunk isn't too "open" to the use of subs. As we all know, there is a steel wall that isolates the trunk from ... (more)
Posted : 24 May 2005  
 
Keyless Entry Installation
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... near the rear trunk lock to expose the wires. Also remove the plastic trim that covers the battery. I used a knife and cut away the material that was protecting the bundle of wires. As you can see, I used the knife to strip back insulation to test wires. Unfortunately the wire colors in the wiring diagram given by the vendor did not match any of the wires in my car. This may be because the ... (more)
Posted : 24 May 2005  
 
OBC light replacement for the BMW E30 3 Series
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... it. The code should be listed in your owners manual, or if you dont have the code, your local BMW dealer can provide this for you if you have lost the code. If you have an aftermarket radio, consult the owners manual or installation guide on how to remove it. In most cases the radio is held in place by two clips on either side that release the stereo when pushed in at the same time. Then, as ... (more)
Posted : 24 May 2005  
 
V1 Hardwire
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... Installation page to see picture of how I routed 12V to this area. For those of you who have 12V up there, I think these are the proper pins from the check control system to grab the 12V and ground needed for the V1. Pin 9 = Ground Pin 15 = Constant 12V Pin 23 = Switched 12V Use switched 12V so the detector is on only when the key is in the car. You won't need your radar detector if the ... (more)
Posted : 24 May 2005  
 
Replacing Service Indicator Board Batteries on the E30 BMW 3 Series
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... manufacturers for the clusters, but for the most part they look the same. You should see some Phillips head screws around the perimeter of the cluster. Remove all these, and you should be able to lift the backside of the cluster off. Look at the center of the cluster. You will see a single Phillips head screw holding this plate on. You must remove this screw to access the S.I. board. Now ... (more)
Posted : 24 May 2005  
 
Fixing an inoperative door lock
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior - Doors
... and the door will not close).If you pull the door handle the latch will go back to it's open door position.With the key in the lock try to lock and unlock the door a few times;You'll see those screws moving (these two screws are securing the door lock motor to the door, and basically what we are doing here is adjusting the position of the motor)You have to try a few times till you ... (more)
Posted : 24 May 2005  
 
Fixing Power Door Locks
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... of the plug and recepticle.If the motor is getting the power but not operating then you can suspect a dirty/burnt motor...A burnt motor can't be fixed easy, but with luck yours is just dirty, so get ready to pull it apart - you can't break something that's already broken right?The whole procedure is outlined on a pdf file I will attach or send to the site. I learned the hard ... (more)
Posted : 24 May 2005  
 
BMW E30 3 Series Performance Chip Installation
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... will separate. Now, go to the tabs at the front of the connector. Push them inwards, and at the same time, angle the board up. What this will do is lock the tabs inward, and help you remove the board. You may have to use a certain amount of force to get it out, but be very careful. If you feel anything hanging up, STOP, look around and see what the problem is. The board should now slide out of ... (more)
Posted : 24 May 2005  
 
Engine electrical system troubleshooting
Model : BMW, 3 - Series (E30) 1983-93, 318i Category : Electrical
... belt faulty or mis adjustedVoltage regulator faultyIgnition warning light doesn't come on with key in ONBulb defectiveFaulty bulb holder, wiring or instrument cluster printed circuit Gustavo Melo Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: ... (more)
Posted : 24 May 2005  
 
Blinking Sidemarker Modification For BMW E30 3 Series
Model : BMW, 3 - Series (E30) 1983-93, 318i Category : Electrical
... be able to just reach in through the sidemarker holes and pull it off and through the hole. In the later cars with plastic bumpers (like mine) you will have to remove the front bumper in order to access the connector. This is easy. Just remove the two mounting bolts for the bumper in the front and pull it forward. Once free, disconnect the harness. On the turn signal harness, you will see ... (more)
Posted : 24 May 2005  
 
OBC install
Model : BMW, 3 - Series (E30) 1983-93, 318i Category : Electrical - ECU
... non-airbag equipped wheel use a small flathead screwdriver and pop the BMW emblem off the steering wheel. Center the wheel and mark off its position so it will be aligned properly upon reinstallation. Hold the wheel and remove the nut and washer. Insert the key into the ignition and turn it to the first position, then pull the wheel off the column and disconnect the wires from the horn pad. Be ... (more)
Posted : 24 May 2005  
 
1985 318i Rev Limiter
Model : BMW, 3 - Series (E30) 1983-93, 318i Category : Electrical
... on the car.I think this will vastly improve the enjoyment of your M10 engine, if this was crippling it.Here is a picture of the rotor, with the limiter (spring and grommet) already removed: Gerbrandt Grobler Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: ... (more)
Posted : 24 May 2005  
 
Center maplight with time delay
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... the appropriate base and collector resistors are chosen for saturated operation.Almost any n-channel, enhancement mode power MOSFET can be substituted for the IRF510, but the drain-to-source resistance should be kept low. A better alternative to the IRF510 (whose drain-to-source resistance is approximately 0.5 ohm) is the NTE66 from NTE Electronics, Inc (drain-to-source resistance of about 0.1 ... (more)
Posted : 24 May 2005  
 
Aftermarket central lock install
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... was added to the outgoing cable from fuse number 27 (Original central-locking fuse)The ground cable was added to a big grounding nut inside the car just above the steering wheel axle.Now the last to cables and the slave-motor in the trunk. I had to dismount both the front and rear part of the console.The front part of the console have four mounting places First one above the throttle-pedal, ... (more)
Posted : 24 May 2005  
 
Broken Backup Light (and sloppy shift!)
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... and red for Green-White, made sure it wont short and will hold, and drilled a hole away from the rubber boot (the first was too close). Then I pulled the wires through, pulled up the wire from the tranny switch with an aluminum snare, and soldered the blue and red wires correctly colour coded and sleeved with heatshrink tubing on. Then I fed enough blue-red wire to give a little slack to the ... (more)
Posted : 24 May 2005  
 
BMW E30 Rear Speaker Installation
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - Radio - Speakers
... some really nice universal fit speaker spacers. These sit over the factory holes and have enough height to allow the 6x9s to fit in with no clearance problems. I had originally considered painting the spacers tan, to match the interior of the car, however the black finish looks very nice and seems to fit in with the esthetics of the car. Before we start to install the new spacers, we will need ... (more)
Posted : 24 May 2005  
 
Keyless Entry at a Fraction of the Dealer Cost
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... about a half inch of wire from the two green wires without completely cutting the wires. Use the wire stripping tool to expose about 1 inch at the ends of the white/green, white/red, black, red, and grey wires from your keyless entry wire harness.5. Attach the white/green wire from the keyless entry wire harness to the exposed section of the green/black wire to your actuator. This is your lock ... (more)
Posted : 24 May 2005  
 
Mirror Switch Reconditioning
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... You Can Find An Old Tooth Brush WD-40Procedure: 1. Pry out the switch with the screw driver. It should pop out pretty easily.2. Disconnect the switch from the wiring harness and use the screw driver again to separate the switch housing.3. Separate the circuit board from the switch housing being careful not to drop the floating contacts inside.4. Spray a generous amount of WD-40 inside the ... (more)
Posted : 24 May 2005  
 
Replacing the OBC backlight
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights
... nuts, one on each corner) using a needle nose pliers:Loosen, without removing, the ones on the left side, through the radio opening;Remove the two on the right (be careful not to drop them inside the console!)Removing the right side screwsNow press the right side of the OBC from the front, until you're able to pull the bulb holder, using the needle nose pliers.Removing the bulb holderInsert ... (more)
Posted : 24 May 2005  
 
Relay layout in the Power Distribution Box
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical
... Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. & Useful Info :: Performance :: Specifications :: Suspension & Steering :: Transmission :: Troubleshooting :: Ventilation & A/C SHOW ALL SUBMIT ARTICLE Note: Be careful when using any of the procedures described on this section, and remember you'll be doing it at your ... (more)
Posted : 24 May 2005  
 
Pre 85 E30s battery charging problems
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - Battery
... to make sure you have the right two wires by checking the continuity with a multimeter. Once you locate them, splice a wire into each of these, *soldering* the splice to be sure it takes.After completing the splice, connect the two new wires to the new bulb that you bought, affix the bulb under the dash somewhere (I hot-glued it to the center console), and re-assemble the instrument cluster. ... (more)
Posted : 24 May 2005  
 
Maplight Installation
Model : BMW, 3 - Series (E30) 1983-93, 318i Category : Interior
... information panel. I have the non-check control panel that only displays airbag and seatbelt warning. I also have a crank sunroof. I checked all these wires but there is no switched or constant 12V source in this wiring connector. For those of you with an E30 like mine, we're going to have to route power from elsewhere. For all of you with a check control panel, use the following pins for power ... (more)
Posted : 24 May 2005  
 
Dash Light Replacement
Model : BMW, 3 - Series (E30) 1983-93, 318i Category : Interior - Dash
... them and be careful to not drop them. I could not get the top steering wheel trim off, but I managed to pull it out of the way and get the trim piece behind the wheel off. Remove the screws that hold the trim that goes around the dash console. More screws to remove. With the trim around the dash console removed, the dash console can be removed by unscrewing the two screws at the top and two ... (more)
Posted : 24 May 2005  
 
Rear Arm Rest Seat and Rear Headrest Install
Model : BMW, 3 - Series (E30) 1983-93, 318i Category : Interior - Arm Rest
... escape. With the mounting brackets in place, run a screwdriver through the headrest mount holes to where they hole should be in the top of the rear seat and carefully cut out some small holes. Some people have just cut out the holes, eyeballing where the legs will go. Cutting a hole in the rear seat is something you want to do right the first time, so this is why I used the screwdriver with ... (more)
Posted : 24 May 2005  
 
Water in rear floor of convertibles
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... soaked?), as much trim as I could easily remove and finally I folded the carpet up out of the back floorboard. After this I stuffed paper towels around anywhere it looked like water may have come from I paid special attention to the backseat area since the underside of the backseat was wet. When I started spraying water I did not notice anything getting in. After a few seconds however I ... (more)
Posted : 24 May 2005  
 
BMW E30 3-Series Gauge Face Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior
... the back of the cluster. Its a good idea to mark each connection to where it plugs in, or make a diagram. In most cases, the large multi-wire connectors are color-coded to the plugs on the back of the cluster. Now unplug everything and remove the cluster from the car. Take the cluster to a good work area and look at the back of the unit. You will see a series of Phillips head screws along the ... (more)
Posted : 24 May 2005  
 
BMW E30 3-Series Instrument Light Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior
... the dash. We now have to remove the lower dash panel. This is done by removing the three plastic screws at the top edge and the three screws at the bottom. Pull the door chime buzzer out of its holder on the panel and set the panel aside. Now reach up under the dash and on both the left and right, locate the two knurled nuts. Remove the knurled nuts and pull the front fascia panel off the ... (more)
Posted : 24 May 2005  
 
E30 Dashboard Swap
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior - Dash
... the panel. It may hang up on the top of the steering column, just keep wiggling. Remove the trim around the instrument panel. Two small screws at the top, above the gauges, then four more at the bottom to either side of the steering column. Two more screws hold the instrument panel itself in: You can now pull out the instrument panel. Be careful with the A-shaped ''ears'' in the picture ... (more)
Posted : 24 May 2005  
 
Water leaks under the dashboard
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... lamp -- if the rubber drain hose is not in place, you will have a bathtub in your trunk!).Then I removed the two black plastic grilles just forward of the windshield wipers and cleared debris from the drain in the corner and the drain on the firewall (which you access from the engine bay).This did the trick!I hope that this helps. Joel Barries Back SECTIONS :: Audio :: Body :: Brakes :: ... (more)
Posted : 24 May 2005  
 
Water leaks in the rear floorboard
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... the rocker.BTW, My car took on water once more after this. It happened when my car was parked with the front down a VERY steep hill. The problem was the "fore" drain is located about 8 to 10 inches from the end of the rocker. This allows water to pool up and spill over before it reaches the drain.This phenomenon was immediately remedied with a 1/4 drill bit!!Some more details on the ... (more)
Posted : 24 May 2005  
 
Opening the Glove Box with a broken latch
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... the retainers/pins on these to make it easier to replace the broken latch mechanism.7. You can now remove the broken latch . Two Philips screws hold this in place. with the latch removed you should be able to see the cause of the inoperative glove box latch. It is probably a broken arm that pushes out the claws, as indicated in the top picture.8. Fit your new latch and screw it back together ... (more)
Posted : 24 May 2005  
 
E30 Cup Holder
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior
... I decided to mount the cup holder there as a test. So far, so good. Required Parts: #16317 - Fischer C-Box universal cup holder (~$13 from Ultimate Cupholders) Super glue Required Tools: Drill and bits Phillips-head screwdriver 1. For stability, I super glued the ashtray lid shut in four places total (see arrows). 2. Use a drill bit smaller than the supplied screws to drill out the two front ... (more)
Posted : 24 May 2005  
 
Water leaks in the trunk
Model : BMW, 3 - Series (E30) 1983-93 Category : Misc
... window. The water would drip onto the metal that forms the deck support and either run forward on the wheel well into the interior, or rearward under the trunk liner on track into the rear jack well. Removal of the widow gasket itself revealed that the gasket was wet in the center from an area about half-way up the rear window, down to the horizontal part of the gasket. The water was obviously ... (more)
Posted : 24 May 2005  
 
E30 1988-1991 All Red Tail-lights
Model : BMW, 3 - Series (E30) 1983-93 Category : Lights - Tail lights
... and proceed to paint the exposed amber portion using light, even strokes with the nozzle held 6'' to 8'' from the lens. The can recommends 10'' to 12'', but I found it easier to work a bit closer. If you encounter any issues, use the acetone to remove the paint. I used approximately 6 passes for the front of the lens and 3 smaller passes for the exposed edges. Avoid overspraying since the ... (more)
Posted : 24 May 2005  
 
Blacking Out Chrome Trim On BMW E30 3 Series
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior
... available from Pelican Parts (shameless company plug, sorry.) I decided to use Wurths Satin Black Trim paint for this. It is designed to be used on chrome surfaces. Before you begin to paint, make sure that it is at least 70 degrees F. outside and not over 90 Degrees. This will make sure that the paint flows correctly. It if is too cold or hot the paint could run. Now, shake the can until the ... (more)
Posted : 24 May 2005  
 
Glass cleaning with paint polish
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior
... Meguiar's #2 real well, then use copious amounts of the product on a soft cotton towel or old t-shirt.Using a circular motion, rub the glass hard enough to remove the "etching" and water spots. This takes considerable muscle and several minutes to accomplish.Continue to rub until all of the product is gone, then buff with a clean towel. Do ALL the exterior glass and then wash and ... (more)
Posted : 24 May 2005  
 
Antenna Mast Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Electrical - Radio
... for larger pictures. Unscrew the old antenna using a small, tin wrench or a pair of pliers. Who cares if you scuff up the black paint on the base of the old antenna. Have a friend turn your radio on to extend the antenna mast. As the antenna mast comes up (or partly up if broken), keep pulling with moderate force and the antenna mast will disengage from the motor. Take note of the orientation ... (more)
Posted : 24 May 2005  
 
E30 Mirror Repair
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior - Mirrors
... mounting pins might break off. For those of you lucky enough to have tweeter pods in the corners, I'm unsure how to remove them, but it should be similarly easy. 3. Remove the (2) bolts holding the mirror in place, while providing support so the mirror assembly doesn't fall. Disconnect the wiring harness and the mirror should be free. 4. Remove the (4) screws to separate the motor assembly ... (more)
Posted : 24 May 2005  
 
Replacing your BMW Roundel Emblem
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior
... Figure 1 and Figure 2. The first step is to remove the existing Roundel. As you can see in Figure 3, the existing Roundel is worn and fading. The method of removal varies, but the end result is the same, you must gently pry the old Roundel off. In this case we simply used a credit card as a fulcrum point, then inserted a flat-head screwdriver between the Roundel and the hood. Remember to use ... (more)
Posted : 24 May 2005  
 
E30 Sunroof Adjustment
Model : BMW, 3 - Series (E30) 1983-93 Category : Interior - Sunroof
... to turn it properly. Lower the sunroof down to the standard closed position in preparation for the next step. 4. The Bentley manual talks about placing 4mm hex wrenches thru holes in the guide rail (bottom arrow) to slide thru and engage the tilt track (top arrow) on both sides, thereby keeping the sunroof sliding mechanism held solidly together during the adjustment process. Strangely ... (more)
Posted : 24 May 2005  
 
Door Hinge Replacement
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior - Doors
... to whatever BMW dealers may say. Buy a hinge assembly from a dealer. The bushing can not be bought without buying the entire assembly. I purchased mine from Foreign Motors West BMW in Natick, MA for $32 with my BMWCCA discount. Take the new hinge apart. Pull the C-clip and washer off the end with the flat screw head. Use a ratchet and remove the hex bolt from the other side. Use a punch and ... (more)
Posted : 24 May 2005  
 
E30 Lighted Rearview Mirror Retro-Fit
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior - Mirrors
... wiring cover over the harness to expose the plug. 3. The lighted mirror has a short attached wiring harness for power. I pried out one of the light modules and used the multi-meter to determine which lead from the harness corresponded to the positive leads (see red arrows). 4. Using that information, I wired the 2-pin Molex connector which mates with the attached wiring harness (pictured). ... (more)
Posted : 24 May 2005  
 
Front & Rear valance refinishing
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior
... chipping and to dull the gloss. The whole project took 2 days and cost about $50, ($40 for a quart of body color paint & hardener and $10 for the rocker paint, masking tape and newspaper was on hand...).The black undercoating on the sides and bottom of the rear valance was also cleaned and sprayed with the clear rocker paint further protecting it. (since this faces down, there was no chipping ... (more)
Posted : 24 May 2005  
 
Pain Free Hood shock
Model : BMW, 3 - Series (E30) 1983-93 Category : Exterior - Hood
... tied a little tube to it with cabties, that will hold the pin, and voila !! no more sore head or shoulders for me, or an annoying broomstick that's in the way where I want to work.Here's a pic of my "personalised" hood shock: Gerbrandt Grobler Back SECTIONS :: Audio :: Body :: Brakes :: Cooling System :: Driving :: Electrical :: Engine :: Fuel System :: Interior :: Misc. ... (more)
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