3 Series E46 316ti (N42) COMP
11 33 050
Removing and installing / replacing all rocker
arms (N42)
Necessary preliminary tasks:
•
Remove bearing bracket.
•
Remove exhaust camshaft.
Important!
Rockers arms (1) are divided into individual tolerance
classes.
The tolerance classes are designated as illustrated with the
numbers from 1 to 4.
Used rocker arms (1) may only be reused in the same
position.
When replacing rocker arms (1) on inlet side: install rocker arms
of the same tolerance class in the same position.
Note:
The rocker arms on the exhaust side are accessible once the
exhaust camshaft has been removed.
Rocker arms (1) of exhaust camshaft are of same design as
rocker arms of inlet camshaft.
The classification 3 shown in the illustration has no affect on the
function on the exhaust camshaft.
Installation:
As of 7/04 the cast rocker arm is replaced by the sheet metal
rocker arm (1).
Replacement procedure N40/N42:
2a
for classes 3 and 4 cast rocker arm
2b
for classes 1 and 2 cast rocker arm
N45/46:
Classification (1, 2A, 2B, 3).
RA Removing and installing / replacing all rocker arms (N42)
BMW AG - TIS
25.01.2013 14:41
Issue status (12/2007) Valid only until next DVD is issued
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