12 41 041 Replacing the engagement solenoid switch

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Switch off ignition.
Remove STARTER MOTOR .

Slacken nut (1).

Remove the cable shoe (2).

Fig 1: Identifying Engagement Solenoid Switch Cable Shoe And Nut

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Attention!

Do not twist the cable shoe (2) when tightening, risk of shorting to starter motor housing.

Tightening torque 12 41 1AZ .

Release screws (1).

Fig 2: Identifying Engagement Solenoid Switch Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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

Detach the bolt (3).

Installation note:

Check the bolt (3) for wear and grease the bolt.

Fig 3: Identifying Engagement Solenoid Switch, Spring And Bolt

Courtesy of BMW OF NORTH AMERICA, INC.