BMW 5 Series: 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 becomes deformed during the
operating condition
by thermal loads. Form honing allows this deformation to be achieved in
production, so that there is an
almost cylindrical shape in the operating condition. This has a positive effect
on the emissions quality,
oil and fuel consumption, as well as output and wear.
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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
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
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Buttons on the steering wheel
Cruise control on/off
Store/maintain speed
Pause cruise control / Continue
cruise control with the last
setting
Without steering and traffic
jam assistant:
Increase the distance
Without steering and traffic
jam assistant:
Reduce distance
With steering and traff
Concept
The system provides an early look at cross traffic
at blind driveways and intersections.
General information
Road users concealed by obstacles to the left
and right of the vehicle can only be detected relatively
late from the driver's seat. The cameras in
the front and rear capture the side