Make sure all gasket material is
removed from face of cylinder head.
Clean sealing face and keep free of
oil. If any foreign material is present
on the sealing surface, the camshaft
timing will be incorrect.
Secure camshaft sprockets and
impulse wheels:
Tighten mounting screws (
A
) on
exhaust camshaft impulse wheel
to approx. 5 Nm (44 in-lb).
Tighten mounting nuts (
B
) on
exhaust and intake sprocket
assemblies to approx. 5 Nm (44
in-lb).
Torque down mounting screws (
A
)
and nuts (
B
) to final specifications.
Tightening torques
Sprocket assembly to camshaft
initial torque
5 Nm (44 in-lb)
Sprocket assembly wheel to
camshaft
M7 Torx screws (
A
)
20 Nm (15 ft-lb)
M6 mounting nut
(
B
)
10 Nm (8 ft-lb)
-
Remove flywheel locking tool from
transmission bellhousing so that
crankshaft is no longer secured.
-
Remove camshaft locking tools
from cylinder head.
Turn engine over twice in direction of
rotation until cylinder 1 intake and
exhaust camshaft lobes (
arrows
) face
Cylinder Head Removal and Installation
http://ebahn.bentleypublishers.com/BMW/3/E46/Repair%20Manuals/1...
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Summary of Contents for 1999-2005 M3
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