Coolant Expansion Tank Cap for BMW E82, F22, E90, F30, F10, F13, G30, F01, F02, F25, F26, G01, G02, E70, F15, G05, E71, F16, G06 17117639020

This coolant cap fits a large range of BMW models, if in doubt ask us to match your vehicle to the part number.

The engine coolant reservoir cap is a critical component of a vehicle's cooling system. It seals the coolant reservoir or expansion tank, which holds excess engine coolant and maintains pressure in the cooling system. The cap is designed to release pressure at a specified level, ensuring that the cooling system operates effectively without excessive pressure buildup.

BMW Part Number: 17117639020