BMW 5251 Service Manual page 165

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Cylinder Head Removal - and i n s t a r d
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4
Remove left cylinder head cover gasket and install spacing
tool (BMW 11 1 412) in place of gasket.
-
lnstall lefl cylinder head cover fasteners and tighten uniformly
in
'I2
turn steps.
Tightening torque
Cylinder head cover nuts
10 Nrn
(7.5 it-lb)
-
Tighten left upper timing cover retaining bolts in two passes.
Tightening torque
Timing chain cover to head
10
Nrn
(7.5 ft-lb)
-
Remove lefl cylinder head cover and BMW special tool 11 4
412.
4
Reinstall cylinder head covers to left and right cylinder heads
using new gaskets.
Check for correct seating of half-moon seals (A) in back of
cylinder head cover.
Use a small amount of Three Bond 1209 0 3 or equivalent
sealer at corners (6) of half-moon cutouts.
-
Install left cylinder head cover fasteners and tighten uniformly
in
'I?
turn steps.
-
Install exhaust manifolds using new gaskets and fasteners.
See 180 Exhaust System.