BMW Genuine Hose, expansion tank- - Part 17128475727

Hose, expansion tank-

The expansion tank stores excess coolant as it expands with heat and helps maintain the correct system pressure.

Cracks, leaks, or a faulty level sensor can lead to coolant loss and warning messages.

• Genuine BMW part for correct fitment and pressure integrity.

Note: Inspect hoses and the cap when replacing an expansion tank to prevent repeat leaks.

Please confirm compatibility using the vehicle filter on our website. If you are unsure, contact Bolands BMW with your registration or VIN.