11 28 010 Replacing Alternator Drive Belt (N62)

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.

NOTE:

For Special Tool identification, refer to ENGINE - SPECIAL TOOLS - 645CI .

Special Tools Required:

11 3 340

NOTE: If the drive belt is to be reused: Mark direction of travel and reinstall drive belt in same direction of travel.

Pretension belt tensioner slowly and carefully with a Torx socket as far as it will go and secure with special tool 11 3 340.

Remove drive belt.

IMPORTANT: If contaminated with hydraulic fluid: Replace drive belt.

Fig 1: Pretensioning Belt Tensioner With A Torx Socket And Securing With Special Tool 11 3 340

Courtesy of BMW OF NORTH AMERICA, INC.

Put on the drive belt.

Remove special tool 11 3 340.

Installation:

Check that drive belt is correctly positioned on pulleys.

Fig 2: Identifying Correctly Positioned Drive Belt

Courtesy of BMW OF NORTH AMERICA, INC.