The rearview camera provides assistance in parking and maneuvering backwards. The area behind the vehicle is shown on the Control Display.
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Check the traffic situation as well
Check the traffic situation around the vehicle with your own eyes. Otherwise, an accident could result from road users or objects that are not lidtured by the camera.
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 ...