12 31 020 Removing and installing or replacing alternator (N62): Notes

WARNING: This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.

Switch off ignition.

Disconnect and cover battery negative lead.

WARNING: Danger of scalding! Only perform these tasks on an engine that has cooled down.

Remove radiator.

Remove alternator drive belt.

Remove A/C compressor drive belt.

Release screws on antifriction bearing on left and right of stabilizer bar.

Hydraulic lines on oscillating motor remain connected. Do not release screws on stabilizer link. Remove stabilizer bar with antifriction bearing from threaded pins and secure against falling down.

Release holder from hydraulic lines for power steering. Hydraulic lines on power steering pump remain connected.

NOTE: For purposes of clarity, the following work steps are shown on the engine after it has been removed.

Release screws and remove guide pulley (1).

Fig 1: Releasing Screws And Removing Guide Pulley

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug (1) and remove.

Unscrew nut (2).

Remove battery positive lead from alternator (3).

Fig 2: Removing Battery Positive Lead From Alternator

Courtesy of BMW OF NORTH AMERICA, INC.