1 Series E87 116i (N45T) 5-door
11 31 051
Replacing timing chain (N45T)
Special tools required:
•
11 5 120
•
11 8 180
Necessary preliminary tasks:
•
Remove intake duct
•
Remove ignition coils
•
Remove spark plugs
•
Remove cylinder head cover
•
Remove alternator drive belt
•
Remove vibration damper
Important!
For removal of the timing chain, the central bolt must be
slackened and later removed.
After the central bolt (1) is released, the sprocket wheels of
the timing chain and the oil pump will no longer be non-
positively connected to the crankshaft (risk of damage).
Crank engine at central bolt in direction of rotation to firing TDC
position of 1st cylinder.
Inlet camshaft:
Note:
The twin surface for locating the camshaft has a curvature on its
upper side and a straight edge on its lower side.
In the firing TDC position of the 1st cylinder, the curvature on the
twin surface points upwards in the cylinder-bore axis.
RA Replacing timing chain (N45T)
BMW AG - TIS
17.01.2013 15:32
Issue status (12/2007) Valid only until next DVD is issued
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