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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Concept
The route criteria can be individually adjusted.
The settings are stored as standard and automatically
applied to new destination guidances.
Set route criteria
1. Press the button on the
Controller.
2. Move the Controller to the right.
3. "Settings".
4. "Route settings".
5. Select the
Country codes
Only DVDs with the country code selected during
vehicle ordering can be played. Refer to the
information on the CD as well.
1 USA, Canada.
2 Japan, Europe, Middle East, South Africa.
3 Southeast Asia.
4 Australia, Central and South America, New Zealand.
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