The Genuine BMW Non-Return Valve (part number 64119292574) is a high-quality valve designed specifically for BMW vehicles. This non-return valve is responsible for controlling the flow of fluids, such as fuel or coolant, in one direction only. It is a crucial component in the proper functioning of the vehicle's fuel or cooling system. This valve is made from durable materials and is rigorously tested to ensure it meets BMW's strict standards for performance and reliability. It is an essential part for maintaining the optimal performance of your BMW vehicle.