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

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

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: Releasing Oil Cap

Courtesy of BMW OF NORTH AMERICA, INC.

E87, E90, E91:

Necessary preliminary tasks:

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 Screws

Courtesy of BMW OF NORTH AMERICA, INC.