BMW 5251 Service Manual page 136

1 13-42
I
Cylinder Head Removal and Installation
4
Before installing camshaft carriers, examine bearing points
(arrows) on hydraulic lifter bores for signs of wear.
4
Center camshaft carrier with hydraulic lifters on pins
(ar-
rows) at bearing positions 2 and 7.
Note marks on carriers: (E) for intake side and (A) for exhaust
side.
Lift timing chain and put exhaust cam onto exhaust camshaft
carrier. Place intake camshaft on camshaft carrier.