11 78 510 Replacing Oxygen Control Sensors

11 78 510 Removing and installing/replacing control sensor (N18)

Special tools required:





Warning!
Risk of burning!
Only perform these tasks after the exhaust system has cooled down.





Installation note:
If an oxygen sensor is reused, thinly and evenly coat only the thread with NEVER-SEEZ compound Overview of consumables 4.3.

The part of the oxygen control sensor which projects into the exhaust branch (sensor ceramic) must not be cleaned or come into contact with lubricant.





Disconnect plug connection for control sensor.

Release oxygen sensor (1) with special tool 11 7 020.

Tightening torque 11 78 1AZ.





Assemble engine.

Check function of DME.