Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove DRIVE BELT

E9x only:

Remove special tool 11 3 340 .

Release screw (3) on belt tensioner (4).

Tightening torque 11 28 1AZ .

Installation:

Replace aluminum screws.

Remove belt tensioner (4).

Fig 1: Turning Belt Tensioner (E9X)

Courtesy of BMW OF NORTH AMERICA, INC.

E85, E89 only:

Remove special tool 11 3 340 .

Release screw on belt tensioner (1).

Tightening torque 11 28 1AZ .

Installation:

Replace aluminum screws.

Remove belt tensioner (1).

Fig 2: Turning Belt Tensioner (E85, E89)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.