BMW 5 Series Owners & Service Manuals

BMW 5 Series: Crankcase

BMW 5 Series G30 2016-2025 Training Manual / B58TU Engine / Engine Mechanical / Engine housing / 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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     Telephone functions

    General information Mobile phones can be connected to the vehicle via Bluetooth, see Owner's Manual for the vehicle. At high temperatures, the charge function of the mobile phone can be limited where appropriate and functions are no longer executed. Do not operate a mobile phone that is connected

     Selector lever positions

    Drive mode D Selector lever position for normal vehicle operation. All gears for forward travel are activated automatically. R is reverse Engage selector lever position R only when the vehicle is stationary. Neutral N The vehicle may be pushed or roll without power, for instance in vehicle washes

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