BMW X3 Service & Repair Manual > Starter with mounting: Replacing solenoid switch
Turn off ignition.
Remove starter motor.
Release nut (1).
Remove cable lug (2).
CAUTION:
Do not turn cable lug (2) while tightening down - risk of short circuit to starter
motor housing.
Release screws (1).
Remove solenoid switch (1) and spring (2).
Unhook pin (3).
Install ...