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 > Final drive with cover: Replacing rear cover gasket on rear axle final drive
IMPORTANT:
In event of oil loss, always check rear differential for traces of wear and damage.
Necessary preliminary tasks:
Remove REAR AXLE FINAL DRIVE.
NOTE: Read and comply with REAR AXLE FINAL DRIVE: ASSIGNMENT TO MODEL
SERIES.
Select rear axle final drive:
188LW
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