Распределительный вал

In the cylinder head on overhead-cam BMW engines.

Shaped lobes act through followers or levers, while cam timing is synchronized with crankshaft rotation.

A rotating schedule that tells each door when to open.

Timing faults, top-end noise or reduced performance can involve timing, lubrication or valve gear.

Usually condition-based rather than a routine replacement. Lubrication, overheating and the exact engine affect wear.

Internal-engine work is usually labor-intensive. Diagnosis and the engine code determine the repair scope.

BMW petrol and diesel engines; petrol-only systems are identified individually.