BMW 5251 Service Manual page 170

1
13-76
Cylinder Head Removal and Installation
Remove fasteners from intake camshaft sprocket (arrows)
on right cylinder head.
-
Remove primary timing chain sprocket and suspend timing
chain using mechanics wire to prevent chain from dropping
into lower housing.
Turn crankshaft counterclockwise until 45" mark on crank-
shaft is aligned with boss on front timing chain cover (arrow)
4
Loosen cylinder head bolts in sequence 1-10 as shown (ar-
rows) and discard used head bolts.
-
Evaluate cylinder head. See 116 Cylinder head and val-
vetrain.