BMW Radiator Expansion Tank Coolant Cap | E60 E90 E92 N52 N54 M3

Revitalize your BMW's cooling system performance with our direct replacement radiator expansion tank cap. If you're experiencing issues with a faulty, leaking, or damaged cap, our solution offers a seamless fix. Designed for easy installation, this replacement ensures optimal function, allowing you to maintain your vehicle's performance with confidence. Don't let a faulty cap compromise your BMW's cooling system—upgrade today for peace of mind on the road. Restores Cooling System Seal High-Quality Material Factory Directional Arrow OE Fitment FITMENT: BMW E90 E60 F10 F07 F01.