Original BOGAP Cooling Water Expansion Tank
17137542986 / B4240108

Maintain stable coolant levels and system pressure with this Original BOGAP Cooling Water Expansion Tank with Cap for BMW. This complete unit collects expanding coolant during engine operation and securely seals the system to prevent leaks and overheating. Built to factory specifications using durable, heat- and pressure-resistant materials, it ensures a perfect fit, reliable performance, and long-lasting durability.