This Genuine BMW Radiator Coolant Hose, part number 17129894788, is a high-quality replacement part for your BMW vehicle. It is designed to transport coolant from the radiator to the engine, helping to regulate the engine's temperature and prevent overheating. This hose is made from durable materials and is an exact fit for your specific BMW model. It is an essential component for maintaining the proper functioning of your vehicle's cooling system.