BMW 5251 Service Manual page 314

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Remove cylinder head cover sealing gaskets from lefl cylin-
der head cover. Install BMW special tool 11 1 412 into gasket
groove of cylinder head cover.
Install lefl cylinder head cover. Fit cylinder head cover re-
taining nuts to cylinder head cover studs at cylinders 5 and
6 (first two cylinders on left side cylinder bank).
Tighten nuts uniformly in
'I2
turn steps
Tightening torque
Timing case cover to head
15
Nm
(1 1
ft-lb)
-
Remove special tool 11 1 41 2 and install new gaskets to cyl-
inder head cover:
Clean gasket groove and install new gasket.
Apply Three Bond 12098sealant tojoint between cylinder
head and timing cover and at half-moon shaped cut-outs.
Tighten cylinder head cover nuts.
Tightening torque
Cylinder head cover to head
I 5
Nm
(1 1
ft-lb)
-
Remainder of installation is reverse of removal, noting the fol-
lowing:
Where applicable remove protective film from gaskets.
Use new gaskets when mounting intake manifold. Tighten
nuts finger tight first, then torque to specification in stages
worlting diagonally from center out.
Ground straps for ignition coil harnesses are at cylinders
no. 3 and no. 7. See 120 Ignition System.
Refill and bleed cooling system as described in 170 Radi-
ator and Cooling System.
Change engine oil and filter as described in 020 Mainte-
nance.
CAUTIOI\C
To prevent damaging engine electrical systems, be sure to in-
stall ail ground wires previously removed.