11 78 530 Replacing Left Control Sensor

11 78 530 Replacing left control sensor (N63)

Special tools required:





Warning!
Risk of burning!
Only perform this work after engine has cooled down.





Necessary preliminary work:
^ Check function of DME control unit
^ Switch 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 note:
The threads of new lambda control/monitoring sensors are already coated with Never Seez 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 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 note:
Check function of DME control unit.

Pay attention to cable routing of control sensor.