This product is a genuine BMW engine coolant hose with part number 11537848379. It is designed to be used in BMW vehicles and is made from high-quality materials to ensure proper functioning and durability. The hose is an essential component in the engine cooling system, responsible for transferring coolant from the radiator to the engine and back. It is a direct replacement for the original hose and is manufactured to meet BMW's strict standards for performance and reliability. This engine coolant hose is an important part of maintaining the proper temperature and performance of your BMW's engine.