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BMW E83 X3 M54 3.0L Cooling Expansion Tank Parts

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ES#37795 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - Genuine BMW - BMW

Fits various components in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37795
Mfg#:
17111711987
In Stock at Vendor
18% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
06-24-2026

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3504757 - 17113400017 - E83 Expansion Tank Mounting Plate - Secures the expansion tank to the radiator - Rein - BMW

Secures the expansion tank to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with an automatic transmission

Brand:
Rein - Corporate Logo
ES#:
3504757
Mfg#:
17113400017
Ships in 3 Business Days
$166.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2814110 - 17137787039 - Coolant Expansion Tank - Include coolant level sensor and lower securing clamp - Hamburg Tech - BMW

Include coolant level sensor and lower securing clamp 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#:
2814110
Mfg#:
17137787039
Ships in 1 Business Day
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2588199 - 17117573781KT - Expansion Tank Replacement Kit - Level 1 - Includes a level sensor and cap - Assembled By ECS - BMW

Includes a level sensor and cap 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#:
2588199
Mfg#:
17117573781KT
In Stock
ON SALE! SAVE 20%
$85.99

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

$69.18 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3569383 - 17113400017 - E83 Expansion Tank Mounting Plate - Secures the expansion tank to the radiator - URO - BMW

Secures the expansion tank to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3569383
Mfg#:
17113400017
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2588202 - 17117573781OEKT - Expansion Tank Replacement Kit - Level 1 - Includes a level sensor, cap, and mounting hardware. - Genuine BMW - BMW

Includes a level sensor, cap, and mounting hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2588202
Mfg#:
17117573781OEKT
In Stock
$273.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#38012 - 17112248409 - Water Pipe Connector - Located underneath the expansion tank - Genuine BMW - BMW

Located underneath the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38012
Mfg#:
17112248409
Ships in 1 day
3% off MSRP

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

$63.99

This product was last offered at the strikethrough price on
06-24-2026

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147013 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - URO - BMW

Fits various components in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4147013
Mfg#:
17111711987
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3672879 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Meyle - BMW

Replace worn or missing pieces. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3672879
Mfg#:
17117639022
In Stock
ON SALE! SAVE 44%
$15.99

This product was last offered at the strikethrough price on
12-29-2025

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2874170 - 17117573781 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Febi - BMW

Does not include cap or coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874170
Mfg#:
17117573781
Ships on Sep 22, 2026
$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3448838 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - MTC - BMW

Fits various components in the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
3448838
Mfg#:
17111711987
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#38046 - 17113400018 - E83 Expansion Tank Mounting Plate - Secures the expansion tank to the radiator - Genuine BMW - BMW

Secures the expansion tank to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a manual transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
38046
Mfg#:
17113400018
Ships in 1 day
7% off MSRP

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

$128.99

This product was last offered at the strikethrough price on
06-24-2026

$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#205244 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - Rein - BMW
ECS Tuning recommends this product.

Replace when performing cooling service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
205244
Mfg#:
17111742231
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4069597 - 17113400017 - E83 Expansion Tank Mounting Plate - Secures the expansion tank to the radiator - Febi - BMW

Secures the expansion tank to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4069597
Mfg#:
17113400017
In Stock at Vendor
$95.99

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

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2534594 - 17137787039 - Coolant Expansion Tank - Does not include cap or coolant level sensor - URO - BMW

Does not include cap or coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534594
Mfg#:
17137787039
Ships in 1 Business Day
$45.99 USD
Free Shipping
on orders $49 and up
ES#2187552 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - URO - BMW

Replace when performing cooling service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187552
Mfg#:
17111742231
In Stock at Vendor
$11.99 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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