11 28 010 Replacing drive belt for alternator (N55)

WARNING: This page is about a different variant/trim than selected.

Special tools required:

Necessary preliminary work:

Routing of drive belt without Dynamic Drive

NOTE: Mark the direction of travel of the drive belt if it is to be reused.

Turn belt tensioner (1) in direction of arrow until bore hole (2) is aligned with belt tensioner and crankcase.

Hold belt tensioner (1) under tension.

Secure with special tool 11 0 390 .

Remove drive belt (3).

Fig 1: Turning Belt Tensioner And Aligning Bore Hole With Tensioner And Crankcase

Courtesy of BMW OF NORTH AMERICA, INC.

Routing of drive belt with Dynamic Drive

NOTE: Mark the direction of travel of the drive belt if it is to be reused.

Turn belt tensioner (2) in direction of arrow until bore hole is aligned with belt tensioner and crankcase.

Hold belt tensioner (2) under tension.

Secure with special tool 11 0 390 .

Remove drive belt (3).

Fig 2: Turning Belt Tensioner And Removing Drive Belt

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Installation note:

Check drive belt for correct installation position and, if reusing, observe direction of travel. Risk of damage .