12 41 020 Removing and installing/replacing starter motor (S63)

Necessary preliminary tasks: 

• Switch off ignition.
• Disconnect BATTERY NEGATIVE LEAD .
• Remove right ENGINE SUPPORT ARM .

Release screws (1).

Tightening torque 12 41 1AZ .

Fig 1: Identifying Screws

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Unlock connector (1) and remove.

Slacken nut (2).

Tightening torque 12 42 2AZ .

Disconnect positive battery cable.

Release screws (3) and detach cable clip from starter motor.

Remove starter motor (4) in direction of travel.

Fig 2: Removing Starter Motor

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Installation note: 

Check starter pinion and starter ring gear for damage. If necessary, replace damaged components.

Reassemble the vehicle.

Only during starter replacement and on vehicles with MSA (automatic engine start-stop function): 

• Use BMW diagnosis system to reset the starter counter.