Coolant leaks are one of the major problems with car engines, and your BMW is not an exception. A vehicle's coolant system is responsible for pumping vital fluids from the radiator to the engine, thereby cooling the engine block and system. This prevents it from overheating at high operation temperature or during severe winter weather. How do you check your coolant? Your BMW's radiator, water pump, and other coolant components are responsible for keeping your engine cool. For this system to carry out its function properly, it requires owners to keep up with the coolant levels. Next to the radiator, there is always a recovery system known as the coolant reservoir, and it holds an extra supply of coolant to the car system. Most vehicles have their coolant reservoir small black tank located to the left side of the engine. If any of the hoses, pump parts, or gaskets sealing the coolant inside begin to leak, it [...]