12 31 020 Removing and installing/replacing alternator

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 MINI Cooper, 2007 MINI Cooper, 2006 MINI Cooper, 2005 MINI Cooper, and 2004 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Necessary Preliminary Tasks:

Read out fault memory of DME control unit.
Check stored fault messages.
Switch off ignition.
Disconnect battery. Refer to 12 00 DISCONNECTING AND CONNECTING BATTERY .
Remove alternator drive belt. Refer to 11 28 010 REPLACING ALTERNATOR DRIVE BELT (W10) .
Remove intake air manifold. Refer to 11 61 051 REMOVING AND INSTALLING INTAKE MANIFOLD .

Unlock plug (2) and remove.

Release nut (1) and remove battery positive lead.

Installation:

Tightening torque, refer to 12 31 2AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES - COOPER (1.6L) R50/W10 .

Fig 1: Removing Battery Positive Lead

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove alternator.

Installation:

Tightening torque, refer to 12 31 1AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES - COOPER (1.6L) R50/W10 .

Fig 2: Removing Alternator

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Clear fault memory