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BMW Cooling Expansion Tank Parts

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Expansion Tank

ES#2709510 - 17137543003 - Expansion Tank - Replace your cracked or faded tank - URO - BMW

Replace your cracked or faded tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709510
Mfg#:
17137543003
Ships in 1 Business Day
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Hose

ES#5491184 - 17125A09423 - Coolant Expansion Tank Hose - Replacement coolant hose that connects the upper radiator to the expansion tank - Rein - BMW

Replacement coolant hose that connects the upper radiator to the expansion tank 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5491184
Mfg#:
17125A09423
In Stock
$18.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank with Level Sensor

ES#3139099 - 17138621092 - Coolant Expansion Tank with Level Sensor - Replace your cracked or faded tank - Hudson - BMW

Replace your cracked or faded tank

Brand:
Hudson - Corporate Logo
ES#:
3139099
Mfg#:
17138621092
In Stock
ON SALE! SAVE 13%
$63.99

This product was last offered at the strikethrough price on
09-28-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Vent Hose

ES#3499711 - 17127536236 - Coolant Vent Hose - Connects the upper radiator hose to the expansion tank - Rein - BMW

Connects the upper radiator hose to the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499711
Mfg#:
17127536236
Ships in 3 Business Days
$27.99 USD
Free Shipping
on orders $49 and up

Coolant Expansion Tank

ES#4338778 - 17107514964 - Coolant Expansion Tank - Includes bleeder screw and level sensor - Bremmen Parts - BMW

Includes bleeder screw and level sensor 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4338778
Mfg#:
17107514964
In Stock
ON SALE! SAVE 15%
$64.99

This product was last offered at the strikethrough price on
09-16-2026

$55.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2868199 - 17111723520 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Febi - BMW

Does not include cap or coolant level sensor We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2868199
Mfg#:
17111723520
Ships on Jan 22, 2027
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#2534641 - 61318360876 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - URO - BMW

Monitors the coolant level in the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534641
Mfg#:
61318360876
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Sealing O-Ring

ES#38540 - 17211712965 - Expansion Tank Sealing O-Ring - Seals the expansion tank to the base of the radiator - Genuine BMW - BMW

Seals the expansion tank to the base of the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
38540
Mfg#:
17211712965
In Stock
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
05-22-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3148875 - 17111712835 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Rein - BMW

Does not include cap or coolant level sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3148875
Mfg#:
17111712835
In Stock
$23.99

This product was last offered at the strikethrough price on
10-07-2026

$17.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2709297 - 17107514964 - Coolant Expansion Tank - Includes bleeder screw - URO - BMW

Includes bleeder screw 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709297
Mfg#:
17107514964
Ships in 1 Business Day
$52.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#2795984 - 61318360855 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - URO - BMW

Monitors the coolant level in the expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
URO - Corporate Logo
ES#:
2795984
Mfg#:
61318360855
Back Ordered
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E34 Expansion Tank Vent Hose

ES#37810 - 17111712356 - E34 Expansion Tank Vent Hose - Replace your leaking expansion tank hose - Genuine BMW - BMW

Replace your leaking expansion tank hose

Brand:
Genuine BMW - Corporate Logo
ES#:
37810
Mfg#:
17111712356
Ships in 3 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#37847 - 17111712966 - Sealing O-Ring - Priced Each - 14.5mm O-ring that seals cap to tank - Genuine BMW - BMW

14.5mm O-ring that seals cap to tank

Brand:
Genuine BMW - Corporate Logo
ES#:
37847
Mfg#:
17111712966
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

Includes fluid level sensor 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338774
Mfg#:
17137542986
Special Order: No Guaranteed ETA
ON SALE! SAVE 10%
$54.99

This product was last offered at the strikethrough price on
05-02-2026

$49.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW | Cap, coolant tank

ES#4861045 - 17135A1BD89 - BMW | Cap, coolant tank - Vaico - BMW

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4861045
Mfg#:
17135A1BD89
Ships in 1 Business Day
$24.99

This product was last offered at the strikethrough price on
05-07-2026

$23.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Replacement Kit

ES#2684751 - 17111723520KT4 - Expansion Tank Replacement Kit - Includes everything you need to bolt on a brand new expansion tank - Assembled By ECS - BMW

Includes everything you need to bolt on a brand new expansion tank 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date up to 08/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
2684751
Mfg#:
17111723520KT4
Ships in 1 Business Day
ON SALE! SAVE 24%
$61.99

This product was last offered at the strikethrough price on
05-02-2026

$47.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

Other BMW Cooling Expansion Tank Parts

Let us help you find the parts that fit your BMW

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