What Is Vanos Bmw. VANOS is an amazing feature that gives your BMW engine better performance and efficiency so it only makes sense to keep it in great shape for as long as possible. Your car needs it because it adjusts the timing of your valvesby changing the position of the camshaftin relation to your drive gear.
The seals fitted to the pistons within the Vanos unit wear prematurely. The German term for it is Variable Nockenwellen Steuerung or as we would put it variable lift and timing system Its technology developed by BMW for BMWs. It is a system originally developed by BMW for models produced during and after 1992.
Meaning both the intake and exhaust valve timing is varied.
Vanos units take on various shapes and design according to car year and model engine model. The name is an abbreviation of the German words for variable camshaft timing. VANOS is a variable valve timing system used by BMW on various automotive petrol engines since 1992. Its a variable valve timing basically opens and closes valves individually at the best performance wise time.
