3 Series E46 M3 (S54) CONVER
Hold timing chain under tension and feed on sprocket wheel (1).
Install sprocket wheel (1) on exhaust side on centering sleeves in
such a way that elongated holes of sprocket wheels (1 and 2) are
centrally located.
Press tensioning rail against timing chain and check position of
elongated holes.
Note:
The position of the elongated holes is only important in terms of
accessibility to the screws and does not affect operation in any
way.
Install chain tensioning piston.
Note:
Coat all sliding surfaces on VANOS gear with engine oil as
antiseize agent.
Exhaust side:
Note:
The small support diameter of the plate spring (2) points in the
direction of the supporting ring (3). Supporting ring is supported
with retaining lugs in spline hub (1).
Insert plate spring (2) and thrust washer (3) in tooth hub (1).
Exhaust side:
Take care: the supporting ring can easily fall out.
Remove spline hub with plate spring and supporting ring.
Bore hole (1) must point upwards as shown in illustration.
RA Replacing camshafts (S54)
BMW AG - TIS
16.02.2013 08:41
Issue status (12/2007) Valid only until next DVD is issued
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