11 78 545 Removing and Installing/Replacing Monitor Sensor

11 78 545 Removing and installing/replacing monitor sensor (N14)

Special tools required:





Warning!
Scalding hazard!
Only perform these tasks after the exhaust system has cooled down.

Installation:
If an oxygen sensor is to be reused, only apply a thin and uniform coat of Never Seez Compound (refer to BMW Parts Service) to thread.





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





Disconnect plug connection for monitor sensor.

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

Tightening torque 11 78 1AZ.





Assemble engine.

Check function of DME.