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Home >> BMW >> 2016 >> 550i >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Engine Electrical System - Repair >> Starter With Mounting >> 12 41 020 Removing and installing/replacing the starter motor (N55 Hybrid)

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

WARNING: High-voltage system - danger to life!

The following points must be strictly observed prior to starting work  :

Necessary preliminary tasks: 

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 Starter Motor, Screws And Connector
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):