3 Series E90 320i (N46) SAL
Bearing caps of exhaust camshaft are marked A1 to A4 from inlet
side.
Remove bearing caps of exhaust camshaft.
Remove exhaust camshaft (1).
If necessary, replace plain compression rings (1).
Important!
Plain compression rings (1) can easily break.
Plain compression rings (1) are engaged at joint.
Press compression ring (1) on one side into groove, pull up on
other side and unhook catch.
Carefully pull compression ring (1) apart and remove towards
front.
Note:
Identifying feature of exhaust camshaft:
The rounded area on the twin surface points upwards, the cams at
cylinder 4 positioned as illustrated at an angle downwards to the
exhaust side.
Installation:
Clean all bearings and cams of exhaust camshaft and lubricate
with engine oil.
RA Removing and installing/replacing exhaust camshaft (N40 / N45)
BMW AG - TIS
26.01.2013 03:10
Issue status (12/2007) Valid only until next DVD is issued
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