12 41 041 Replacing solenoid switch

WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. 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 Starter Motor Nut And 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, see 12 41 4AZ in 12 41 STARTER MOTOR WITH MOUNTING

Release screws (1).

Fig 2: Identifying Starter Motor Housing 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, Spring And Pin

Courtesy of BMW OF NORTH AMERICA, INC.