1 Series E81 120i (N46T) 3-door
11 31 005
Checking camshaft timing (N46T)
Special tools required:
•
11 5 120
•
11 9 270
•
11 9 291
•
11 9 292
•
11 9 293
Necessary preliminary tasks:
•
Remove all spark plugs.
•
Remove cylinder head.
Crank engine at central bolt in direction of rotation to firing TDC
position of cylinder no. 1.
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 cylinder no. 1, the curvature on the
twin surface points upwards in the cylinder-bore axis.
Exhaust 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 cylinder no. 1, the curvature on the
twin surface points upwards in the cylinder-bore axis.
Additional distinction of exhaust camshaft:
In the firing TDC position of cylinder no. 1, the openings (1) on
the exhaust camshaft point to the exhaust manifold.
RA Checking camshaft timing (N46T)
BMW AG - TIS
20.01.2013 19:07
Issue status (12/2007) Valid only until next DVD is issued
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