FixVault

12 41 041 Replacing Solenoid Switch

Turn off ignition.

Remove starter motor.

Release nut (1).

Remove cable lug (2).

Fig 1: Locating Nut And Cable Lug
G03118169Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Do not turn cable lug (2) while tightening down - risk of short circuit to starter motor housing.

Tightening torque, refer to 12 41 4AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Release screws (1).

Fig 2: Identifying Switch Retaining Screws
G03118170Courtesy of BMW OF NORTH AMERICA, INC.

Remove solenoid switch (1) and spring (2). Unhook pin (3).

Installation: 

Check pin (3) for wear and apply grease.

Fig 3: View Of Solenoid Switch And Spring
G03118171Courtesy of BMW OF NORTH AMERICA, INC.