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

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

Follow instructions for disconnecting and connecting battery, refer to 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .

Disconnect battery negative lead from battery.

Unlock plug (1) from pulse generator for crankshaft and detach.

Fig 1: Disconnecting Plug From Crankshaft Pulse Generator

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NOTE: For a better overview, this work step is shown on an engine that has been removed.

Release nut (1) and disconnect battery positive leads from starter motor.

Fig 2: Disconnecting Battery Positive Leads From Starter Motor

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Installation:

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

Release nuts (1).

Fig 3: Removing Starter Motor Lead Nuts

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Installation:

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

Detach leads (2) from starter motor.

Releasing both starter motor mounting bolts (1) on transmission:

Release starter mounting bolts from transmission output end with a long extension and a universal joint.

Fig 4: Removing Starter Mounting Bolts

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Installation:

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

Pull starter motor (1) out of transmission flange and remove towards bottom.

Fig 5: Removing Starter Motor

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Installation:

Check starter motor pinion and ring gear for damage.

Fig 6: Checking Starter Motor Pinion And Ring Gear

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