Ensure a leak free installation. 23x12
Ensure a leak free installation. 23x12
See your coolant levels clearly again, comes with coolant level sensor
Keep proper pressure in your coolant system
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Select your own expansion tank cap to go along with your ECS Carbon Fiber Expansion Tank Cover Kit
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Clean up your engine bay or replace your cracked unit with a new coolant expansion tank replacement kit.
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This product was last offered at the strikethrough price on
11-07-2026
Connects to the coolant level sensor built into the expansion tank
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-26-2026
Keep proper pressure in your coolant system
We Price Match - Give Us A Call or Chat!
See your coolant levels clearly again, comes with coolant level sensor
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!
Ensure a leak free installation. 14x12mm
Seals the expansion tank cap to the reservoir. 28.5x3.8
Keep proper pressure in your coolant system
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We Price Match - Give Us A Call or Chat!
Install new hardware with your new parts.
Clean up your engine bay or replace your cracked unit with a new coolant expansion tank
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We Price Match - Give Us A Call or Chat!
Keep proper pressure in your coolant system
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Install new hardware with your new parts, 2 Required. 5x20
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
11-10-2026
Includes a tank, cap, cap seal and necessary mounting hardware
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This product was last offered at the strikethrough price on
10-26-2026