11 00 Removing and installing/replacing acoustic cover (N52)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2008 BMW Z4, 2007 BMW Z4, 2007 BMW 530xi, 2007 BMW 530i, and 2007 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Aluminium-magnesium materials.

No steel screws/bolts may be used due to the threat of electrochemical corrosion.

A magnesium crankcase requires aluminium screws/bolts exclusively.

Aluminium screws/bolts must be replaced each time they are released.

The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification.

Jointing torque and angle of rotation must be observed without fail (risk of damage ).

Unfasten screws (1 and 3).

If necessary, release oil cap (2) in direction of arrow.

Lift off acoustic cover (4)

Fig 1: Identifying Oil Cap, Acoustic Cover And Retaining Screws

Courtesy of BMW OF NORTH AMERICA, INC.

E87, E90, E91:

Necessary preliminary tasks:

Remove Microfilter Housing

Unfasten screws.

For tightening torque refer to 11 12 7AZ in 11 12 CYLINDER HEAD WITH COVER .

Remove acoustic cover.

NOTE: For purposes of improved clarity, illustration and descriptions shows wiring harness and tension strut removed.

Fig 2: Identifying Acoustic Cover And Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.