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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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
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Technical data
General information
The technical data and specifications in the
Owner's Manual are used as guidance values.
The vehicle-specific data can deviate from this,
for instance due to the selected special equipment,
country version or country-specific measurement
method. Detailed values can be found in
t
Partial network operation
Today's premium vehicles contain up to 70 control units with well over 100
micro-controllers which
are networked with each other. However, depending on the current vehicle
condition or the vehicle
user requirements, not all convenience and assistance systems may always be
needed.
It is possible
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