12 41 020 Removing and installing/replacing starter motor (M54)

WARNING: This page is about a different car, the 2005 BMW Z4, 2004 BMW Z4, and 2003 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Follow Instructions For Disconnecting And Connecting Battery .
Disconnect battery negative lead from battery
Remove intake filter housing

NOTE: All the tasks can be performed from above.

Release nut (1) and remove lead from starter motor.

Installation:

Tightening torque, see 12 41 4AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Release nut (2) and remove battery positive leads from starter motor.

Installation:

Tightening torque, see 12 41 4AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Release screws (3) and remove starter motor (4).

Fig 1: Removing Starter Motor

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Tightening torque, see 12 41 1AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .

Installation:

Check starter motor pinion and ring gear for damage.

Fig 2: Checking Starter Motor Pinion And Ring Gear

Courtesy of BMW OF NORTH AMERICA, INC.