11.20
Locking the engine in the TDC
position
•
Remove front cover.
•
Turn the belt pulley to move the piston to TDC on
the ignition stroke.
Top dead centre on ignition stroke:
1. TDC mark is visible, and
2. The inlet and exhaust valves in the cylinder in
question are closed.
•
Prevent the clutch housing from moving with
locking device, BMW No. 11 5 640.
L Note:
The engine can be correctly positioned at TDC with
locating pin, BMW No. 11 2 650, through the hole in
the clutch housing and the engine block.
RS110030
11 5 640
TDC
RS110461
11 2 650
TDC
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