Water pouch

This water reservoir is an essential part of your BMW engine cooling system, as it helps maintain the optimal operating temperature and prevent overheating. It is designed to provide effective cooling performance and long-term protection for the engine. Replacing the old water reservoir with a new one ensures the efficiency of the cooling system and reduces the risk of engine damage due to excessive heat. The part number is 17 13 7 640 514 (17137640514). Your choice of this reservoir is a smart investment to maintain your car.