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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    Exterior G30 Exterior highlights Air flaps in the radiator grill Air Breather Headlights extend to the radiator grill Adjustable housing for rear lights Underbody The almost fully closed vehicle underbody plays an important role in the aerodynamics. The acoustics in the vehicle are also sign

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    On the G30, Auto PDC is activated automatically if the vehicle is approaching an object at a speed below approximately 3 mph (5 km/h) and the object is located in a collision-critical area. The Auto PDC function is available for both the front and rear of the vehicle. The automatic switch-on

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