BMW X3 Service & Repair Manual: Removing/replacing knock sensor (3rd and 4th cylinder) (N20, N26)

BMW X3 Service & Repair Manual / Electrical / Electronic switching or control units / 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 (1) and remove.

Release bolt (2) on knock sensor.

Remove knock sensor for 3rd and 4th cylinders.

Electrical

Installation note:

Clean contact surface of knock sensor on engine block.

Electrical

NOTE: Reassemble the vehicle.

Check stored fault message.

Delete fault memory.

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 . Unloc ...

Removing/replacing knock sensors (N52T)

IMPORTANT: Aluminum-magnesium materials. No steel screws/bolts may be used due to the threat of electrochemical corrosion. A magnesium cr ...

Other materials:

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