11 78 543 Replacing Right Monitor Sensor

11 78 543 - Replacing right lambda oxygen monitor sensor (S65)





Special tools required:
- 11 7 030






Warning!
Scalding hazard!

Only perform these tasks after exhaust system has cooled down.





Necessary preliminary tasks:
- Read out fault memory in Digital Motor Electronics (DME).
- Remove transmission underbody protection.





Disconnect plug connection (1).

Remove oxygen monitor sensor with special tool 11 7 030.

Installation Note:
If the oxygen monitor sensor is reused, apply a thin and even coat of Never Seez Compound (refer to BMW Parts Service) to the thread only.

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.

Secure oxygen monitor sensor with special tool 11 7 030 and a torque wrench.

Tightening torque: 11 78 1AZ Specifications.





Check function of DME.