The Genuine BMW Engine Auxiliary Water Pump, part number 11517848367, is a crucial component in the engine cooling system. It is responsible for circulating coolant through the engine to regulate temperature and prevent overheating. This water pump is specifically designed for use in BMW vehicles and is made with high-quality materials to ensure durability and reliable performance. It is a genuine OEM (Original Equipment Manufacturer) part, ensuring a perfect fit and compatibility with your BMW vehicle. This auxiliary water pump is essential for maintaining the proper functioning of your engine and ensuring optimal performance.