Original BOGAP Expansion Tank–Cylinder Head Pipe
17128654824 / B4228634

Ensure stable coolant flow and pressure regulation with this Original BOGAP Expansion Tank–Cylinder Head Pipe, designed to connect the expansion tank to the engine’s cylinder head. Built to factory specifications, it provides a precise fit, excellent heat resistance, and durable performance under pressure. Ideal for maintaining proper engine temperature and preventing airlocks in your BMW’s cooling system.