12 41 020 Removing and installing/replacing starter motor (N47 D20 O1)

Necessary preliminary tasks: 

• Switch off ignition.
• Disconnect BATTERY NEGATIVE LEAD .
• Remove REINFORCEMENT PLATE .

Release nut (1) and remove cable.

Tightening torque 12 52 1AZ .

Release nut (2) and remove the positive battery cable.

Tightening torque 12 52 3AZ .

Release cable at clamp (3) from starter motor.

Release screws (1), (2) and (3).

Remove starter motor.

Installation note: 

Observe screwing sequence. 

Position and secure starter motor. Tighten down screws (1) and (2). Tighten down support screw (3).

Tightening torque 12 41 1AZ .

Installation note: 

Check starter pinion and ring gear for damage.

Replace damaged starter motor.

Assemble engine.

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

• Use BMW diagnosis system to reset the starter counter.