Replacing Right Lambda Oxygen Control Sensor

11 78 533 - Replacing right oxygen control sensor (N62/N62TU)





Special tools required:
- 11 7 030 11 7 030 Socket Wrench Socket WAF 22





(cylinder bank 1 to 4)

Necessary preliminary tasks:
- Switch off ignition.
- Remove reinforcement plate Service and Repair





Warning!
Scalding hazard!

Only perform this task on an engine that has cooled down.





Release plug connector (1) and pull off.

Unclip control sensor cable.





Release control sensor (2) with special tool 11 7 030 11 7 030 Socket Wrench Socket WAF 22.





Installation:
Threads of new oxygen sensors are already coated with Never-Seez(R) Compound.

If the oxygen sensor is reused, only apply a thin and uniform coat of Never-Seez(R) Compound (refer to BMW Parts Service) to thread.

Oxygen sensor section projecting into exhaust system branch must not be cleaned or come into contact with lubricant.





Installation:
Tighten down control sensor (2) with special tool 11 7 030 11 7 030 Socket Wrench Socket WAF 22.

Tightening torque 11 78 1AZ 11 78 Emissions-Control, Lambda Oxygen Sensor.

Pay attention to cable routing of control sensor.





Installation:
Different heat shields!

To prevent fraying, make sure that wiring harness (1) is correctly laid on heat shield (2).





Installation:
Read out fault memory of control unit of Digital Motor Electronics (DME).

Check stored fault messages.

Rectify faults.

Now clear the fault memory.