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Home >> BMW >> 2013 >> 740i >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Engine Electrical System - Repair (N55, 2013-) >> Starter >> 12 41 020 Removing and installing/replacing starter motor (N55)

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

Necessary preliminary tasks: 

Unlock connector (1) and remove.

Release nuts (2) and disconnect positive battery cables.

Tightening torque 12 42 2AZ .

Release screws (3).

Installation note: 

Tightening torque 12 41 1AZ .

Remove starter motor (4).

Fig 1: Identifying Positive Battery Cable Connector, Nuts And Screws
G06905177Courtesy 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):