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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    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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     Frequently Asked Questions

    Why can the current position not be displayed? The vehicle is located in an unrecognized region, is in a poor reception area, or the system is currently determining the position. Reception is usually best when you have an unobstructed view of the sky. Why does destination guidance not accept

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    Concept Additional information for the navigation can be displayed in the right part of the split screen. Switching on/off 1. Press the button on the Controller. 2. Move the Controller to the right. 3. "Split screen". 4. "Split screen" Selecting the display 1. Press the button on the Controller

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