Necessary preliminary tasks:
Unlock connector (1) and remove.
Release bolt (2) on knock sensor.
Remove knock sensor for 3rd and 4th cylinders.
Installation note:
Clean contact surface of knock sensor on engine block.
NOTE: Reassemble the vehicle.
Check stored fault message.
Delete fault memory.
BMW X3 Service & Repair Manual > Wheel bearings: Replacing drive flange on left/right rear axle shaft
Special tools required:
34 4 000
Necessary preliminary tasks:
Remove REAR WHEEL .
If necessary, remove visual protection cap (1).
IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread when releasing collar nut.
Activate parking brake and release collar nut.
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