When was the last time you checked your coolant level?🫣 When it comes to keeping up with your car maintenance, the cooling system should never be overlooked. When left unchecked, a multitude of engine problems can occur. The radiator in a car is key to preventing your engine from overheating. On this BMW E46 330i, A lot of the pieces are made of plastic like the expansion tank & because of the high temperatures it can become brittle and crack. Failing to check the coolant level can be devastati