11 28 010 Replacing alternator drive belt

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 3 340

IMPORTANT: Mark the direction of rotation of the drive belt if it is to be reused.
Depending on the build date (version), the idler pulleys can be fitted with and without grooves.

Necessary preliminary tasks:

Remove FAN COWL .

Unfasten hose clip (1).

Release quick-connect fastener (3) 90° on boost pressure pipe in direction of arrow.

Pull off air hose (2).

Installation note:

Bring lock (3) back 90° into installation position.

Recirculated air hose must audibly snap into place.

Fig 1: Releasing Quick-Connect Fastener On Boost Pressure Pipe

G05501688

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip line (1) from holder (2) in direction of arrow.

Fig 2: Removing Line From Holder

G05501689

Courtesy of BMW OF NORTH AMERICA, INC.

Release coolant hose (1) from holder (2).

Fig 3: Identifying Coolant Hose And Holder

G05501690

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Fold air duct (2) down.

NOTE: Do not remove air duct (2).

Fig 4: Folding Air Duct

G05501691

Courtesy of BMW OF NORTH AMERICA, INC.

Turn belt tensioner (1) in direction of arrow until bore is flush on housing.

Secure belt tensioner in place with special tool 11 3 340 .

Fig 5: Turning Belt Tensioner

G05501692

Courtesy of BMW OF NORTH AMERICA, INC.

Remove drive belt (1).

Installation note:

Mark the direction of rotation of the drive belt if it is to be reused.

Fig 6: Identifying Drive Belt

G05501693

Courtesy of BMW OF NORTH AMERICA, INC.

Pretension tensioning pulley (1) in direction of arrow.

Remove special tool 11 3 340 .

Fig 7: Tensioning Tension Pulley

G05501694

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Note arrangement of drive belt

Fig 8: Arrangement Of Drive Belt

G05501695

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Installation note:

Risk of damage!

Check that drive belt for is in correct installation position.