IMPORTANT: In event of oil loss, always check rear differential for traces of wear and damage.
Necessary preliminary tasks:
NOTE: Read and comply with REAR AXLE FINAL DRIVE: ASSIGNMENT TO MODEL SERIES.
Select rear axle final drive:
After installation:
BMW X3 Service & Repair Manual > Electronic components: Replacing a brake pad sensor (rear)
IMPORTANT:
The brake pad wear sensor must be replaced once it has been removed (brake pad wear sensor
loses its retention capability in the brake pad).
If an already ground brake pad wear sensor has to be replaced although the minimum brake pad thickness has
not yet been reached, it is ...