11 28 010 Replacing alternator drive belt (S65)

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Mark the direction of rotation of the drive belt if it is to be reused.
Replace the drive belt if it is fouled with coolant or engine oil.

Necessary preliminary tasks:

Remove drive belt for A/C system.

Release cover (1) with a screwdriver.

Fig 1: Identifying Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Press down tensioning device (1) with standard tool in direction of arrow.

Remove drive belt.

Installation:

Observe direction of rotation if reusing the drive belt.

Make sure drive belt is installed in correct position.

Fig 2: Pressing Down Tensioning Device In Direction Of Arrow

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.