Switching on the rear window wiper
Turn the switch from idle position 0 upward, arrow 1: interval mode. When reverse gear is engaged, the system switches to continuous operation.
Cleaning rear window In interval mode: turn the switch further, arrow 2. The switch automatically returns to its interval position when released.
In idle position: turn switch downward, arrow 3.
The switch automatically returns to its idle position when released.
BMW X3 Service & Repair Manual > Starter with mounting: Removing and installing/replacing starter motor (N47 D20 O1)
Necessary preliminary tasks:
Switch off ignition.
Disconnect BATTERY NEGATIVE LEAD .
Remove REINFORCEMENT PLATE .
Release nut (1) and remove cable.
Release nut (2) and remove the positive battery cable.
Release cable at clamp (3) from starter motor.
Release screws (1), (2) and (3 ...