12 41 020 Removing and installing/replacing starter motor (N55)

Necessary preliminary tasks: 

• Read out the fault memory of the DME control unit.
• Switch off ignition.
• Disconnect BATTERY NEGATIVE LEAD .
• Remove INTAKE PLENUM .

Unlock connector (1) and remove.

Release nut (2) and disconnect positive battery cable (3).

Tightening torque: 12 42 2AZ .

Release bolts (3) and remove starter.

Tightening torque: 12 41 1AZ .

Installation note: 

Check starter pinion and ring gear for damage, replace starter motor if necessary.

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

• Use BMW diagnosis system to reset the starter counter.