11 00 Removing and installing/replacing acoustic cover (N52/N52K)
WARNING: This page is about a different car, the 2010 BMW 128i, 2009 BMW 128i, and 2008 BMW 128i. 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 aluminum screws/bolts exclusively.
Aluminum screws/bolts must be replaced each time they are released.
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminum screws/bolts are not magnetic.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminum screws/bolts exclusively.
Aluminum screws/bolts must be replaced each time they are released.
Aluminum screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminum screws/bolts are not magnetic.
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)
Necessary preliminary tasks:
- Remove microfilter housing
- Remove tension strut
Release screws.
Tightening torque 11 12 7AZ, see CYLINDER HEAD WITH COVER (N51) or CYLINDER HEAD WITH COVER (N52K) .
Remove acoustic cover.
NOTE:
For purposes of improved clarity, illustration and descriptions shows wiring harness and tension strut removed.