VANOS is a variator system that varies the timing of the valves by moving the position and the camshafts in relation to the drive gear. The … See more

The second-generation double VANOS system adjusts the timing of the intake and exhaust camshafts with continuously variable adjustment, based on engine speed and throttle … See more

The first-generation single VANOS system adjusts the timing of the intake camshaft to one of two positions — e.g. the camshaft is advanced at certain engine speeds. VANOS was first introduced in 1992 on the BMW M50 engine used in 3 and 5 Series. In 1998 … See more

• Valvetronic - BMW's variable valve lift system See more