The Genuine BMW Auxiliary Water Pump - 64116922699 is a water pump designed for use in BMW vehicles. It is responsible for circulating coolant through the engine to maintain proper operating temperature. This pump is an essential component in the vehicle's cooling system and is made of high-quality materials to ensure durability and reliable performance. It is a genuine OEM part manufactured by BMW and is designed to fit specific BMW models. This auxiliary water pump is essential for maintaining the engine's optimal temperature and preventing overheating.