12 41 020 Removing and installing/replacing starter motor (N54)

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Aluminum screws/bolts must be replaced each time they are released.
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Jointing torque and angle of rotation must be observed without fail (risk of damage) .

Necessary preliminary tasks:

Switch off ignition.
Disconnect BATTERY EARTH 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).

Installation note:

Replace aluminum screws.

Tightening torque 12 41 1AZ .

Fig 1: Identifying Starter Motor, Connector, Nuts And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Remove starter motor (4).

Installation note:

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

Assemble engine.