12 41 041 Replacing Solenoid Switch

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

Turn off ignition.

Remove starter motor .

Release nut (1).

Remove cable lug (2).

Fig 1: Identifying Cable Plug And Nut

Courtesy 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. See ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Release screws (1).

Fig 2: Identifying Starter Motor Housing Screw

Courtesy 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: Identifying Solenoid Switch, Check Pin And Spring

Courtesy of BMW OF NORTH AMERICA, INC.