The Genuine BMW Auxiliary Water Pump - 64116988960 is a component of the vehicle's cooling system. It is responsible for circulating coolant through the engine and maintaining proper temperature levels. This pump is specifically designed for BMW vehicles and is made with high-quality materials to ensure durability and reliability. It is an essential part of the cooling system and helps to prevent overheating and potential engine damage. The 64116988960 model is a genuine BMW part and is designed to fit perfectly in the vehicle's cooling system.