This product, the Rein Engine Coolant Recovery Tank Hose Lower (328i 328i xDrive 320i 320i xDrive) - CHE0593, is a replacement hose for the engine coolant recovery tank in various BMW models including the 328i, 328i xDrive, 320i, and 320i xDrive. It is designed to be a direct fit replacement for the original hose, ensuring proper coolant flow and preventing leaks. This hose is made by Rein, a trusted brand in the automotive industry known for their high-quality and durable products. It is made with premium materials to ensure long-lasting performance and reliability. By replacing this hose, you can maintain the proper functioning of your engine's cooling system, ensuring optimal performance and preventing potential engine damage.