3 Series E46 M3 (S54) COUPE
Turn both VANOS gears (1) in direction of arrow up to stop.
Rotate splined shafts of inlet and exhaust sides until spur toothing
is engaged.
Important!
Danger of mixing up toothed shafts.
Push VANOS adjustment unit with splined shaft into VANOS gear
until helical cut splines (2) are positioned shortly before meshing
with spline hub (1).
Exhaust side:
If the helical cut splines cannot be pushed into the spline hub (1):
Place special tool 11 7 160 on bore in spline hub (1). Rotate
spline hub (1) against direction of rotation until splined shaft (2)
is positioned with spline hub (1) exactly "tooth-to-tooth gap".
Important!
The "first" matching tooth must engage.
Inlet side:
Place special tool 11 7 160 on bore in spline hub (1). Rotate
spline hub (1) against direction of rotation until splined shaft (2)
is positioned with spline hub (1) exactly "tooth-to-tooth gap".
Important!
The "first" matching tooth must engage.
Installation:
The cup springs must be pretensioned so as to obtain a friction
torque in the VANOS gears.
Important!
Secure bolts (1) on a single plane only.
Adhere without fail to the procedure described in the following.
Secure bolts (1) to 10 Nm .
Before releasing, mark bolts with a coloured marker pen.
Release bolts (1) through 90
°°°°
.
RA Adjusting camshaft timing (S54)
BMW AG - TIS
16.02.2013 12:55
Issue status (12/2007) Valid only until next DVD is issued
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