Genuine OEM Audi Bypass Valve, part number 057145901M. This valve is designed to regulate fluid or gas flow by diverting it within the engine's intake and turbocharger system, preventing overpressure and ensuring smooth operation. It is an integral part of the engine's air management. Weighing approximately 1.38 kg and measuring 0.425m in length, this component is built to precise factory specifications. Choosing a genuine OEM bypass valve ensures correct pressure regulation, material integrity, and reliable operation, preventing potential damage to the turbocharger and other engine components.