BMW 5251 Service Manual page 291

11
7-55
Camshaft Timing Chain
<
Set timing chain on exhaust camshaft end
<
Working in cylinder head cavity, remove timing chain cover
bolts (arrows).
<
Remove secondary chain lower guide bolts (arrows). Re-
move chain guide.
NOTE-
Bolt on intake camshaft side is long and extends into timing
chain cover.
-
Remove crankshaft loclting tool from transmission bellhous-
ing.