Never ignore a coolant level or temperature gauge light! This is the one thing that leaves most BMW’s broke down on the side of the road. Many components within a BMW cooling system are plastic. Over time these plastics get weak and start to crack. Cooling systems are part of the routine check during oil services at MSC, and we keep most common failed components in stock. If you see your “coolant level low” light, come by anytime for a complementary check of you cooling system.