Starter Solenoid: Service and Repair

2008 BMW M5 (E60) V10-5.0L (S85)SECTION Service and Repair



12 41 041 - Replacing solenoid switch

Turn off ignition.
Remove starter motor.





Release nut (1).
Remove cable lug (2).

Caution!
Do not turn cable lug (2) while tightening down - risk of short circuit to starter motor housing.
Tightening torque, 12 41 4AZ. [1][2]12 41 Starter Motor With Mounting





Release screws (1).





Remove solenoid switch (1) and spring (2).
Unhook pin (3).

Installation Note:
Check pin (3) for wear and apply grease.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.