12 41 020 Removing and installing/replacing starter motor

Necessary preliminary tasks:

Release nut (1) and remove terminal 50 from starter motor.

Release nut (2) and disconnect positive battery cable from starter motor.

Fig 1: Battery Cable Nut And Terminal 50 Nut Of Starter Motor

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Release screws (1).

Remove starter motor.

Fig 2: Starter Motor Screws

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Installation:

Install starter motor.

Screw in and tighten screws (1).

Tightening torque 12 41 1AZ .

Fig 3: Starter Motor Screws

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Connect terminal 50 to starter motor and tighten nut (1).

Tightening torque 12 52 1AZ .

Connect positive battery cable to starter motor and tighten nut (2).

Tightening torque 12 52 3AZ .

Fig 4: Battery Cable Nut And Terminal 50 Nut Of Starter Motor

Courtesy of BMW OF NORTH AMERICA, INC.