BMW 5 Series: Crankshaft drive
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Chain drive
Features:
Chain drive at the side of the engine emitting the forces
Single-part chain drive for driving the camshafts
Single sleeve-type chain 8 mm
Electric motor of the combined oil-vacuum
Chain track
Comparison between chain track of B58 engine and B58TU engine
Chain track, two-part timing chain drive B58 engine
Chain track, single-part timing chain drive B58TU engine
6-cylinder engine
Up
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
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Steptronic transmission
Engaging selector lever position D,
N, R
Drive mode D.
Neutral N.
R is reverse.
With the driver's safety belt fastened, briefly push
the selector lever in the desired direction, past a
resistance point, if needed. The selector lever returns
to the center position in each case.
To prevent the
Fuel System
Fuel preparation
The fuel preparation has been modified to meet the requirements of emission
legislation. The high
pressure pump and the injectors have been revised and designed for a fuel
injection pressure of
350 bar.
Fuel preparation, B58TU engine
Injector
Holding clamp
Rail pressure
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