3 Series E90 335i (N54) SAL
Release screws (1).
Unclip timing chain module (3) at junction (2) and remove
towards top.
Set down timing chain.
Important!
If the timing chain is stowed in the gearcase, the crankshaft
must no longer be rotated.
This would cause the timing chain on the crankshaft sprocket
wheel to jam or jump.
Installation:
The timing chain is lifted out with a hook only during assembly.
Release screws (1).
Tightening torque 11 12 3AZ
.
Note:
Screw (2) can only be released when the timing chain module is
pressed forward slightly.
Important!
Secure bolt (2) with a gripper against falling down.
Release bolt (2).
Important!
Observe different bolt heads.
Release M9 cylinder head bolts (1) with special tool 11 4 420 .
Tightening torque 11 12 2AZ
.
Release M10 cylinder head bolts (1) with special tool 11 8 580
from outside inwards.
Tightening torque 11 12 1AZ
.
Important!
All cylinder head bolts must be replaced.
Jointing torque and angle of rotation must be observed
without fail.
Risk of damage!
RA Removing and installing cylinder head (N54)
BMW AG - TIS
22.02.2013 03:00
Issue status (12/2007) Valid only until next DVD is issued
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