3 Series E90 325i (N53) SAL
11 12 000
Removing and installing/sealing cylinder head
cover (N53)
Special tools required:
•
11 8 620
Necessary preliminary tasks:
•
Disconnect battery negative lead.
•
Remove acoustic cover.
•
Remove rod-type ignition coils.
•
Unclip wiring harness for injectors.
•
Remove injectors.
•
Remove tension strut.
•
Remove fresh air duct.
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).
RA Removing and installing/sealing cylinder head cover (N53)
BMW AG - TIS
10.02.2013 01:46
Issue status (12/2007) Valid only until next DVD is issued
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