11 28... Removing And Installing/Replacing Radial Compressor Belt TENSIONER (BMW ALPINA B7)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 5 170

Necessary preliminary tasks:

Remove design cover. Turn quick-release couplings through 90° and remove left design cover. Release screws and remove middle design cover.

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

Press back belt tensioner with special tool 11 5 170 in direction of arrow and remove drive belt (1).

NOTE: Illustration shows radiator core removed!

Fig 1: Identifying Drive Belt

Courtesy of BMW OF NORTH AMERICA, INC.

Release bolt (1) and remove belt tensioner with tension pulley (2).

Installation:

Tightening torque: 40 Nm.

Fig 2: Identifying Tensioner With Tension Pulley

Courtesy of BMW OF NORTH AMERICA, INC.