BMW 5251 Service Manual page 164

11 3-70
Cylinder Head Removal and Installation
-
Remove adjustable timing chain tensioner tool from timing
case cover and install primary timing chain tensioner with
new sealing washer.
Tightening torque
Chain tensioner cylinder to timing cover
65
Nm
(48
ft-lb)
4
Install oil supply lines and mounting nuts (arrows) to both
heads.
Tightening torque
Oil supply line nuts
10
Nm
(7.5
ft-lb)
-
Remove old gasket from lefl timing cover, and clean gasket
surface.
4
Apply Three Bond 1209 8 sealant to joint between cylinder
head and timing cover (arrows).
Using a new gasket, install lefl timing cover with lower inner
fastener inserted in cover (arrow). Position cover in place
and tighten cover fasteners finger tight.
NOTE-
It is not possible to install lower inner fastener after cover is
in place.