11 28 020 Removing and installing/replacing belt tensioner for the alternator (N47 D20 O1)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 3 340

Necessary preliminary tasks:

Remove ALTERNATOR DRIVE BELT .

Release screws (1).

Remove belt tensioner (2) with roller and deflecting element.

Fig 1: Identifying Special Tool (11 3 340)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

If a tensioning device is no longer needed, the special tool 11 3 340 must be removed using a vice.