11 78 530 Replacing Left Control Sensor

11 78 530 Replacing left control sensor (N63)





Special tools required:
^ 11 7 020





Warning!
Scalding hazard!
Only perform this work after engine has cooled down.

Necessary preliminary tasks:
^ Check function of DME control unit
^ Turn off ignition
^ Remove air filter housing








Unlock plug connection and detach.

Unclip control sensor cable at retaining clips.

Release control sensor with special tool 11 7 020.





Installation:
The threads of new lambda control/monitoring sensors are already coated with Never-Seez(R) Compound (refer to BMW Parts Department).

If a lambda control/monitoring sensor is to be reused, apply a thin and even coating of Never-Seez(R) Compound to the thread only.

The part of the lambda control/monitoring sensor which projects into the exhaust branch (sensor ceramics) must not be cleaned and not coated with lubricant.





Secure control sensor with special tool 11 7 020 and a torque wrench (1).

Tightening torque 11 78 1AZ.





Installation:
Check function of DME control unit.

Pay attention to cable routing of control sensor.