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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     Installation locations of control units

    Installation locations of control units Rear view camera (RFK) Remote control receiver (FBD) Top HiFi amplifier (AMPT) Lane change warning (secondary) (SWW2) Video module (VM) (Not for the US) Light Effect Manager (LEM) Active Sound Design (ASD) Telematic Communication Box (TCB) Wireless

     Engine compartment

    Overview Filler neck for washer fluid Jump-starting, positive battery terminal Oil filler neck Coolant reservoir, engine Coolant reservoir, auxiliary cooling Jump-starting, negative battery terminal Vehicle identification number Hood Safety information Warning Improperly executed work in t

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