12 41 041 Replacing solenoid switch

WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750i, and 2015 BMW 750Li xDrive. 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 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 12 41 4AZ .

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.