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Home >> Mini >> 2012 >> Cooper Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> General Information >> OEM General Information >> Functional Description -- R57 >> Valve Timing Gear >> Valve train

Valve train

The cylinder head is equipped with a conventional valve gear with 2 overhead camshafts. In addition, friction-optimizing roller cam followers and a hydraulic valve clearance adjustment are used. The valve have a shaft diameter of 5 mm, whereby the exhaust valves are filled with sodium. A fully variable spread of the inlet camshaft (VANOS) ensures optimized power output and torque.