BMW X3 Service & Repair Manual: Removing/replacing knock sensor (1st and 2nd cylinder) (N20, N26)

BMW X3 Service & Repair Manual / Electrical / Electronic switching or control units / Removing/replacing knock sensor (1st and 2nd cylinder) (N20, N26)

Necessary preliminary tasks:

Read out the fault memory of the DME control unit.
Switch off ignition.
Remove THROTTLE VALVE ASSEMBLY .

Unlock connector (1) and remove.

Release bolt (2) on knock sensor.

Remove knock sensor for 1st and 2nd cylinder.

Electrical

Installation note:

Clean contact surface of knock sensors on engine block.

Electrical

NOTE: Reassemble the vehicle.

Check stored fault message.

Delete fault memory.

Coding control module (dme/dde)

Switch on ignition. Connect MoDiC or DIS/GT1 Tester. Select "Coding" program. For subsequent procedure, follow instructions in MoDiC or DIS/G ...

Removing/replacing knock sensor (3rd and 4th cylinder) (N20, N26)

Necessary preliminary tasks: Read out the fault memory of the DME control unit. Switch off ignition. Remove STARTER MOTOR. Unlock connector ...

Other materials:

BMW X3 Owners Manual > Adjusting: Vehicle features and options
This chapter describes all standard, country-specific and optional features offered with the series. It also describes features that are not necessarily available in your car, e. g., due to the selected options or country versions. This also applies to safety-related functions and systems. The ...