11 78 510 Replacing Oxygen Control Sensors

11 78 510 Removing and installing/replacing control sensor (N12)

Special tools required:





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





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

The part of the oxygen control sensor which projects into the exhaust system 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 Digital Engine Electronics.