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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 3964 (Functional Description - F10 - Stability Control System, Tire & Wheel System, Lubrication System) >> Lubrication System - Functional Description >> Oil supply >> Pressure circulation lubrication

Pressure circulation lubrication

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The engine is equipped with pressure circulation lubrication. The oil drawn in by the oil pump via an intake pipe from the oil pan flows through the full-flow oil filter. The oil then enters the main oil gallery, which usually runs in the engine block parallel to the crankshaft. Ducts lead to the main bearings of the crankshaft. The crankshaft and connecting rod are supplied with oil by the main bearings, as the crankshaft has corresponding bore holes. Part of the oil is branched off the main oil gallery and fed to the cylinder head at the corresponding positions.

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