12 41 041 Replacing Solenoid Switch

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. 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 Lug

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CAUTION: Do not turn cable lug (2) while tightening down - risk of short circuit to starter motor housing.
See Tightening torque. See ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Release screws (1).

Fig 2: Identifying Screws

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, Pin And Spring

Courtesy of BMW OF NORTH AMERICA, INC.