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

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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

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    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

    Button in the vehicle Park assistance button Ultrasound sensors With the four side ultrasound sensors, arrows, and the ultrasound sensors of PDC Park Distance Control in the bumpers, the parking spaces are measured and the distances to obstacles determined. Functional requirements Ultrasound sens

     Displays in the instrument cluster

    Display in the speedometer Green marking: system is active, the marking indicates the desired speed. Orange/white marking: system is interrupted, the marking indicates the stored speed. No marking: system is switched off. Status display The selected desired speed is hidden after a brief

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