BMW 5 Series Owners & Service Manuals

BMW 5 Series: Engine housing

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 Cylinder head

The following figures show the two cylinder head variants with and without the cylinder head-integrated exhaust manifold. Cylinder head of B58TU engine Cylinder head with integrated exhaust manifo

 Crankcase

Honing process Honing process "old/new" Previous manufacturing process of internal cylindrical honing New manufacturing process of form honing The cylindrical bore hole of a combustion engine bec

 Crankshaft drive

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 Valve gear

VANOS VANOS B58 engine VANOS B58TU engine Following the changeover from a two-part chain drive to a single-part chain drive, the camshaft sprockets on the VANOS now need 46 teeth instead of the previous 36 teeth. To compensate for the additional weight of the larger camshaft sprockets, the ad

 Split cooling

A new development for the B58TU engine is the split cooling. A cooling concept which is used the N63 TU2. The split cooling function uses the electric split cooling valve, eSCV, to enable on-demand decoupling of the crankcase from the coolant flow both in the warm-up phase and in partial load op

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