This product is not compatible with the vehicles entered. Please go back to the shop page or contact us.

QuickFinder

Start here to get the right parts for your car

Edit
Browsing:
Reset
Start by entering your vehicle above to find the right parts.
Find your vehicle
Return to

Expansion Tank Cap

Expansion Tank Cap

Regular price $29
Regular price Sale price $29
Priced Individually (GST included)
The highest quality overflow expansion tank cap from BMW supplier, Reutter.
Skip to product information
1 of 3

Expansion Tank Cap

Expansion Tank Cap

Regular price $29
Regular price Sale price $29
Priced Individually (GST included)
The highest quality overflow expansion tank cap from BMW supplier, Reutter.
Please note: this product is not compatible with the vehicles entered. Please go back to the main store page or contact us for help.
Out of stock
Quantity not available. We're sorry, we currently have in stock.
View Fitments
DESCRIPTION

The coolant expansion tank cap maintains the necessary pressure in your cooling system, ensuring everything runs effectively. But over time the seal can weaken or deform, gradually leaking coolant and leading to overheating issues. Thousands of heat cycles can also cause the caps to form to the unique shape of the old tank, and we often see customers replace their expansion tank only to experience issues with their old cap not sealing properly. With this in mind, we always recommend ordering a replacement cap when replacing your expansion tank. These caps are manufactured by OEM supplier Reutter, and are identical to those fitted by BMW.

HELPFUL TIPS

The expansion tank cap also acts as a safety valve, designed to release pressure before your hoses, fittings, and radiator bursts.

PART NUMBERS
OEM Part Number: 17117639020 Alternative Part Number: 17117521071

Please note: Part numbers are provided for reference only. For correct compatibility to your vehicle, please follow our fitment advice

MORE DETAILS
ManufacturerOEM Supplier*
Requried Per Car1
Fitments