BMW 5251 Service Manual page 157

. -
- -
Cylinder Head Removal and Installation
I
4
Rotate crankshaft vibration damper to TDC position. Right
head camshaft lobes for number one cylinder should be in
position shown (arrows).
Working at right cylinder head (passengers side) loosen re-
maining sprocltet fasteners (arrows) on both intake and ex-
haust camshafts approximately
'/?
turn.
4
Loosen and remove primary timing chain tensioner (arrow)
from upper timing chain cover on right head.