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Home >> Mini >> 2019 >> Cooper JCW, 2D Hatchback, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System - Repair - B46 & B48 Engines, Cooper S & JCW (F55, F56) >> Starter Motor >> 12 41 020 Removing and installing/replacing starter motor

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: Starter Motor Positive Battery Cable And Terminal Nuts
G11645552Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Remove starter motor.

Fig 2: Starter Motor Screws
G11645553Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Install starter motor.

Screw in and tighten screws (1).

Tightening torque 12 41 1AZ .

Fig 3: Starter Motor Screws
G11645553Courtesy of BMW OF NORTH AMERICA, INC.

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: Starter Motor Positive Battery Cable And Terminal Nuts
G11645552Courtesy of BMW OF NORTH AMERICA, INC.