00.39
Adjusting valve clearances
To foster enhanced clarity, some of the illustrations
show components with the powerplant cradle re-
moved
– Swivel out powerplant cradle
– Checking valve clearances
•
Loosen hose clamp (arrow) on intake-air plenum
chamber
L
Note:
Watch for dirt and contamination around the starter/
threaded plug (arrow) - no contamination in engine!
•
Remove Allen bolt adjacent to starter and use
special bolt,
BMW No. 11 7 651,
to lock at TDC
L
Note:
Because the round cover plate can rotate against
the gear, the TDC mark should always be made on
the gear itself - not on the cover plate
•
Use a coloured marker to mark TDC (arrow) on
the inlet camshaft's sprocket
C1130010
C1000200
11 7 651
C1000220
C1000180
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