11 00 Removing and installing/replacing acoustic cover (N52)
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2008 BMW 328xi, 2008 BMW 328i, 2008 BMW 323i, 2007 BMW 335xi, and 2007 BMW 335i. 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)
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.