12 41 041 Replacing solenoid switch

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

Turn off ignition.

Remove starter motor.

Release nut (1).

Remove cable lug (2).

Fig 1: Removing Cable Lug With Nut

Courtesy 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, see 12 41 4AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUE .

Release screws (1).

Fig 2: Identifying Solenoid Switch Screws

Courtesy 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: Removing Solenoid Switch And Spring

Courtesy of BMW OF NORTH AMERICA, INC.