BMW 5251 Service Manual page 93

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Engine Removal and installation'
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Remove polyribbed A/C compressor belt:
Mark direction of belt travel if belts are to be reused.
Loosen bolts (A).
Turn adjusting lug
(B)
clocltwise to release belt tension.
Working beneath car, remove power steering pump and air
conditioner compressor. Suspend from body using stiff wire.
Remove exhaust manifolds. See 180 Exhaust System.
<
lnstall engine lifting device (BMW 11
0 000
or equivalent) to
front and rear engine supports and raise engine until it's
weight is supported. Detach engine mounts.
a
Watch carefully for hoses and electrical wires that might
snag.
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installation is reverse of removal:
Replace all gaskets, O-rings and seals.
V-8 engine mounts have two sets of mounting holes.
E39
cars use front most mounting holes.
* On cars with automatic transmission, use new O-rings at
ATF cooler lines.
Use new alignment sleeves when installing transmission.
Be sure engine drive belts properly engage pulley grooves.
When installing belt, preload tensioner to stop (toward
belt), then tighten tensioner clamping nut.
lnstall front exhaust pipes using new gasltets and copper
paste and new mounting hardware. See
180
Exhaust
System.
Change engine oil and filter. Check all other fluid levels as
described in 020 Maintenance.
Refill and bleed cooling system as described in
170
Radi-
ator and Cooling System.
CAUTION-
Do not interchange knoclc sensor harness connectors. Seri-
ous engine damage may result