BMW X3 Service & Repair Manual: Removing and installing/replacing starter motor (N55)

Necessary preliminary tasks:

• Switch off ignition.
• Disconnect BATTERY NEGATIVE LEAD .
• Remove INTAKE PLENUM .

Unlock connector (1) and remove.

Release nuts (2) and disconnect positive battery cables.

Release screws (3).

Remove starter motor (4).

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.