BMW 5 Series Owners & Service Manuals

BMW 5 Series: Crankcase

BMW 5 Series G30 2016-2026 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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    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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     Operating strategy of the heat management module

    The following graphic shows the positions of the rotary valve as the coolant temperature increases. Circuit diagram of heat management module in B58TU engine 0 % - Rotary valve closed 100% - Rotary valve open Cold start Warm-up phase Operating temperature Transition from normal operatio

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    In the G30 the following Local Controller Area Networks are available with the corresponding equipment: Local CAN from electronic transmission control (EGS) to the gear selector switch (GWS). Local CAN from the camera-based driver assistance system KAFAS to the Parking Maneuver Assistant (PMA

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