Oxygen Sensor

Interrogate fault memory of DME control unit. Switch off ignition.





Disconnect connector for oxygen sensor.
Unclip Lambda oxygen sensor cable from bracket.

Note: Use special tool 11 7 020 or special tool 11 7 030 to unfasten and tighten down the oxygen sensor.

Tightening Torque, refer to Engine, Specifications.

Installation:
The threads of new oxygen sensors are already coated with Never Seize Compound.
If an oxygen sensor is used again, apply a thin and event coat of Never Seize Compound to the thread only.
Do not clean the oxygen sensor section jutting into the exhaust line and do not bring it into contact with lubricant.
Protect (mask) oxygen sensor when applying underseal.
Note cable routing of oxygen sensor.