12 41 041 Replacing solenoid switch

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. 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: Removing Cable Lug

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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: Releasing Screws

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Remove solenoid switch (1) and spring (2).

Unhook pin (3).

Fig 3: Removing Solenoid Switch And Spring

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Installation:

Check pin (3) for wear and apply grease.