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

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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.

Tightening torque 12 42 2AZ .

Release screws (3).

Tightening torque 12 41 1AZ .

Remove starter motor (4).

Fig 1: Identifying Connector, Starter Motor And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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.