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
SEE MORE:
Split cooling
A new development for the B58TU engine is the split cooling. A cooling
concept which is used the
N63 TU2.
The split cooling function uses the electric split cooling valve, eSCV, to
enable on-demand decoupling
of the crankcase from the coolant flow both in the warm-up phase and in partial
load op
Massage function
Concept
Depending on the program, the massage function
ensures relaxed muscles and better blood
circulation and can avoid fatigue.
General information
Eight different massage programs can be selected:
Pelvis activation.
Upper body activation.
Full body activation.
Back massage.
Shoulder massag
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