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O2 (Oxygen) Sensor Change

Author : Filip Malkov Posted on : 26/10/2004
Model : BMW Category : Exhaust
Source : http://www.geocities.com/e36rulz
 
I've done this on a 1995 318ti. I'm not sure, but it might be a little different in other E36s.

If you have STOCK stereo, make sure you have the ACTIVATION CODE for it before proceeding

1. Open up your hood and disconnect the "negative" clamp on your battery

2. Jack up your car. Stands are preffered, so you have the most amount of space to work at...I used the lift, so it was a cake walk for me :-)

3. Look at your Exhaust. Backtrack it from the muffler, past the CAT and you will see a plug screwed into the side of exhaust.

4. Track the wire from that plug to the plastic connector (right beside the ATF fluid pans).

5. That plastic connector rests in the bracket. The bracket is being held by a bolt. To get easier access to the plug, undo that bolt and the bracket will sag down letting you disconnect the plug with ease.

6. Now, that the plastic part is disconnected, go ahead and unscrew the sensor from the exhaust. It WILL be tight


Installation is the reverse of instructions above.

INFO: When I installed mine, the wire on a new sensor was almost 2 times longer then the original's. I Lock-Tied it to one of the flex bars right there. Make sure, that the wire doesn't come in contact with HOT parts (exhaust & ATF pans)
 

References

  • http://www.geocities.com/e36rulz
    •  


    An Exhausting Experience
    Model : BMW, 3 - Series (E36) 1991-99, 318ti Category : Exhaust - Muffler
    ... at the back of the cat just a little and then the clamp in front of the muffler. Back and forth, back and forth. This is when I first noticed the problem. The system wasn't lined up quite straight with the cat and was forcing it to the left, almost against the left side of the driveshaft tunnel. At the same time, the exhaust tip was hard against the right side of the cutout in the rear ... (more)
    Posted : 29 April 2004 Author : John Harbolt
     
    Rogue Engineering Dual Muffler Exhaust
    Model : BMW, 3 - Series (E36) 1991-99 Category : Exhaust - Muffler
    ... might be thinking-"it's all in his head", well, on the way to the shop, I was driving very aggressively to get the full measure of the Borla exhaust, to see what the Rogue could do. Compared to the Borla, there was definitely more top end punch and better throttle response. What made me most curious was that there was no loss of bottom end-it was comparable to the Borla, if anything it was a ... (more)
    Posted : 28 October 2004 Author : Jed
     
    O2 Sensor
    Model : BMW, 5 - Series (E34) 1989-96 Category : Exhaust - Oxygen Sensor
    ... you can remove the sensor with the sensor socket some extensions and u-joints. Don't forget to apply a coat of anti-seize compound on the new sensor threads. NOT on the tip!!! In any model, you don't have to remove any part of the exhaust line. 525i M20 : The O2 sensor is located below the #6 cylinder on the front of the exhaust pipe. The connector is located on the right-hand rear of the ... (more)
    Posted : 3 December 2004 Author : bmwe34.net
     
    Exhaust Upgrade
    Model : BMW, 5 - Series (E34) 1989-96, 535i Category : Exhaust - Headers
    ... usually has to fit in a rather confined space - which presents additional challenges. Installing aftermarket headers from RD or supersprint will give you a performance gain. Reducing the pressure from the cat back makes it easier for your engine to push exhaust gases out, this really on helps at high rpms. Headers makes the exhaust gases come together more smoothly than stock before entering ... (more)
    Posted : 5 December 2004 Author : www.nsxprime.com & Justin
     
    Exhaust Tips
    Model : BMW, 5 - Series (E34) 1989-96 Category : Exhaust
    ... good and install in no time. No cutting, welding, clamping - a simple push on operation. Part # 82119401504. (Thanks to Roman) Procedure New tips. Set of wrenches and sockets. Welder. 1. If you have to remove the bumper, remove the central trim, remove the side marker. Unbolt the four 17mm bolts that hold the bumper in place then pull on it to remove if from the side brackets. 2. Cut your old ... (more)
    Posted : 5 December 2004 Author : Jay's Auto & Mike Danna
     
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