BMW 5 Series Owners & Service Manuals

BMW 5 Series: Crankcase

Honing process

Engine housing
Honing process "old/new"

  1. Previous manufacturing process of internal cylindrical honing
  2. 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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     Crankshaft drive

     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

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     Overview

    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

     Panorama View

    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

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