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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     Setting the speed

    Maintaining and storing the speed Press the rocker switch up or down once while the system is interrupted. When the system is switched on, the current speed is maintained and stored as the desired speed. The stored speed is displayed in the speedometer and briefly in the instrument cluster. DSC

     Touchpad

    General information Some iDrive functions can be operated using the touchpad on the Controller. Selecting functions Via iDrive: 1. "My Vehicle". 2. "iDrive settings". 3. "Touchpad". 4. Select the desired setting: "Speller": enter letters and numbers. "Map": use the map. "Search fields": to wr

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