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BMW M3 Cooling Expansion Tank Parts

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Aluminum Coolant Expansion Tank

Eliminate your failure-prone plastic tank!

Brand:
Moroso - Corporate Logo
ES#:
4812407
Mfg#:
63799
Ships in 1 Business Day
$459.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#4308626 - 17138093924 - Coolant Expansion Tank - Main coolant tank - Genuine BMW - BMW

Main coolant tank

Brand:
Genuine BMW - Corporate Logo
ES#:
4308626
Mfg#:
17138093924
Ships in 1-2 days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$248.99

This product was last offered at the strikethrough price on
10-23-2026

$233.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

Coolant tank for the water to air intercooler system

Brand:
Genuine BMW - Corporate Logo
ES#:
4308627
Mfg#:
17138093925
Ships in 1-2 days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$212.99

This product was last offered at the strikethrough price on
10-23-2026

$200.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Black Auxiliary Coolant Reservoir Cap

ES#4882954 - 201-0394-BLK - Black Auxiliary Coolant Reservoir Cap - Functional and stunningly stylish way to add a nice touch to any engine bay - Precision Raceworks - BMW

Functional and stunningly stylish way to add a nice touch to any engine bay

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882954
Mfg#:
201-0394-BLK
Ships in 9 Business Days
$94.99 USD
Free Shipping
on orders $49 and up

Expansion tank cap

ES#4723381 - 3142380005 - Expansion tank cap - Upgrade your BMW's cooling system with the reliable Meyle Expansion Tank Cap to ensure performance and longevity. - Meyle - BMW MINI

Upgrade your BMW's cooling system with the reliable Meyle Expansion Tank Cap to ensure performance and longevity. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4723381
Mfg#:
3142380005
Ships on Nov 16, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#4328150 - 17117546548 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Meyle - BMW

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4328150
Mfg#:
17117546548
Ships on Nov 16, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

Cap for plastic expansion tank 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5504952
Mfg#:
17117639021
Ships on Jan 11, 2027
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2874172 - 17117639021 - Expansion Tank Cap - Cap for plastic expansion tank - Febi - BMW

Cap for plastic expansion tank We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874172
Mfg#:
17117639021
Special Order: No Guaranteed ETA
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW | sensor, coolant level

ES#4854649 - 17137553919 - BMW | sensor, coolant level - Vemo - BMW MINI

Brand:
Vemo - Corporate Logo
ES#:
4854649
Mfg#:
17137553919
Special Order: No Guaranteed ETA
$11.99 USD
Free Shipping
on orders $49 and up

More About Cooling Expansion Tank Parts

A common source of overheating problems is a broken or leaking coolant expansion tank. Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes.

Let us help you find the parts that fit your BMW

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