BMW 5 Series: Engine housing
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Cylinder head
The following figures show the two cylinder head variants with and without
the cylinder
head-integrated exhaust manifold.
Cylinder head of B58TU engine
Cylinder head with integrated exhaust manifo
Crankcase
Honing process
Honing process "old/new"
Previous manufacturing process of internal cylindrical honing
New manufacturing process of form honing
The cylindrical bore hole of a combustion engine bec
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Auto Start/Stop function
Concept
The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, for instance in traffic congestion or at traffic
lights. Drive-ready state remains switched on.
The engine starts automatically for driving off.
General information
After each engine start using
Valve gear
VANOS
VANOS B58 engine
VANOS B58TU engine
Following the changeover from a two-part chain drive to a single-part chain
drive, the camshaft
sprockets on the VANOS now need 46 teeth instead of the previous 36 teeth. To
compensate for the
additional weight of the larger camshaft sprockets, the ad
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