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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    Vehicle tool kit The onboard vehicle tool kit is located in the left storage compartment of the cargo area. Wiper blades Safety information NOTICE The window may sustain damage if the wiper falls onto it without the wiper blade installed. There is a risk of damage to property. Hold the wiper firml

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    Interior air quality The air quality in the vehicle is improved by the following components: Emission tested passenger compartment. Microfilter. Air conditioning system to control the temperature, air flow and recirculated-air mode. Depending on the equipment specification: Microfilter/activ

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