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BMW Cooling Expansion Tank Parts

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ES#4328152 - 17117639020 - Coolant Expansion Tank Cap - Keep that coolant expansion tank sealed - Meyle - BMW

Keep that coolant expansion tank sealed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4328152
Mfg#:
17117639020
Ships on Oct 14, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2816042 - 61318360876 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - Hamburg Tech - BMW

Monitors the coolant level in the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1998

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816042
Mfg#:
61318360876
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3493501 - 17137639023 - Expansion Tank Cap - 1.4 Bar pressure - Rein - BMW

1.4 Bar pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1987

Brand:
Rein - Corporate Logo
ES#:
3493501
Mfg#:
17137639023
Ships in 3 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#37956 - 17112225399 - Expansion Tank Hose - Replace your leaking expansion tank hose today - Genuine BMW - BMW

Replace your leaking expansion tank hose today affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37956
Mfg#:
17112225399
Ships in 5 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#38232 - 17119055593 - Repair Nipple  - For the overflow hose fitting on plastic tank radiators. - Genuine BMW - BMW

For the overflow hose fitting on plastic tank radiators. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38232
Mfg#:
17119055593
Ships in 5 Business 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.

$15.99

This product was last offered at the strikethrough price on
06-04-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#2816040 - 61318360855 - Coolant Level Sensor - Monitors the coolant level in the expansion tank - Hamburg Tech - BMW

Monitors the coolant level in the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1998

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816040
Mfg#:
61318360855
Ships in 1 Business Day
$14.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#38479 - 17132248252 - E83 Expansion Tank Clamp - Found on the lower portion of the expansion tank - Genuine BMW - BMW

Found on the lower portion of the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38479
Mfg#:
17132248252
Ships in 5 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#2801323 - 17111737708 - E38 Coolant Return line - From expansion tank to radiator - Rein - BMW

From expansion tank to radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801323
Mfg#:
17111737708
Ships in 3 Business Days
$9.17

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

$9.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2091428 - 17111742232 - Expansion Tank Cap - 1.4 Bar pressure - MTC - BMW

1.4 Bar pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2091428
Mfg#:
17111742232
Ships in 9 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2814070 - 17111707777 - Expansion Tank Mounting Clamp - Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank - Hamburg Tech - BMW

Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814070
Mfg#:
17111707777
Ships in 1 Business Day
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5425971 - 17135A6A030 - Coolant Expansion Tank - Replaces missing or cracked coolant expansion tank. - Meyle - BMW

Replaces missing or cracked coolant expansion tank. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meyle - Corporate Logo
ES#:
5425971
Mfg#:
17135A6A030
Ships in 1-3 days
$75.99 USD
Free Shipping
on orders $49 and up
ES#4875594 - 17135A6A031 - Expansion Tank  - Replace your cracked or faded tank - URO - BMW

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4875594
Mfg#:
17135A6A031
In Stock
Limited Qty Sale
$101.99

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

$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4375811 - 17138570079 - Coolant Expansion Tank - Includes level sensor - URO - BMW

Includes level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4375811
Mfg#:
17138570079
In Stock
Limited Qty Sale
$73.99

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

$56.99 USD
Free Shipping
on orders $49 and up
ES#4776041 - 17138677649EKT - Coolant Expansion Tank Kit - Includes both the Engine Coolant Expansion Tank and Charge Air Cooler Coolant Expansion Tank, plus both of the expansion tank caps - Assembled By ECS - BMW

Includes both the Engine Coolant Expansion Tank and Charge Air Cooler Coolant Expansion Tank, plus both of the expansion tank caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4776041
Mfg#:
17138677649EKT
In Stock at Vendor
ON SALE!
$208.99

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

$193.10 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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