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Home >> BMW >> 2007 >> 335i 2D Convertible, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System -- Repair (N54) >> 41 Starter With Mounting >> 12 41 041 Replacing Solenoid Switch

12 41 041 Replacing Solenoid Switch

Turn off ignition.

Remove starter motor.

Release nut (1).

Remove cable lug (2).

Fig 1: Identifying Cable Lug & Nut
G04740414Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION:

Do not turn cable lug (2) while tightening down-risk of short circuit to starter motor housing.

Tightening torque, 12 41 4AZ, see ENGINE ELECTRICAL SYSTEM -- TORQUE SPECIFICATIONS -- TWIN TURBO .

Release screws (1).

Fig 2: Identifying Starter Motor Circuit Screws
G04740415Courtesy of BMW OF NORTH AMERICA, INC.

Remove solenoid switch (1) and spring (2).

Unhook pin (3).

Installation: 

Check pin (3) for wear and apply grease.

Fig 3: Identifying Solenoid Switch, Spring & Unhook Pin
G04740416Courtesy of BMW OF NORTH AMERICA, INC.