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BMW Cooling Expansion Tank Parts

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Expansion Tank

ES#38028 - 17112283500 - Expansion Tank - Stop your coolant leak with a new expansion tank - Genuine BMW - BMW

Stop your coolant leak with a new expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38028
Mfg#:
17112283500
Ships in 3 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.

$266.99

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

$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4818566 - 17111436381 - Coolant Expansion Tank - Includes level sensor - Bremmen Parts - BMW

Includes level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818566
Mfg#:
17111436381
In Stock
ON SALE! SAVE 20%
$65.99

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

$52.79 USD
Free Shipping
on orders $49 and up

Expansion Tank Replacement Kit

ES#2695584 - 17112229114KT - Expansion Tank Replacement Kit - Includes a level sensor, cap, and coolant - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2695584
Mfg#:
17112229114KT
In Stock
$351.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Turner Motorsport Expansion Tank Wire Harness Extension - E9X/E8X N54

ES#3569509 - 021942TMS05 - Turner Motorsport Expansion Tank Wire Harness Extension - E9X/E8X N54 - Allows you to relocate your coolant reservoir seamlessly - Turner Motorsport - BMW

Allows you to relocate your coolant reservoir seamlessly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3569509
Mfg#:
021942TMS05
In Stock
ON SALE! SAVE 36%
$25.99

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

$16.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Level Sensor

ES#2695771 - 61311378320 - Coolant Level Sensor - Located on the top of the coolant expansion tank - Febi - BMW

Located on the top of the coolant expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2695771
Mfg#:
61311378320
Ships in 4 Business Days
$23.99

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

$23.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#2698252 - 17138610819 - Expansion Tank - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2698252
Mfg#:
17138610819
Ships in 3 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.

$236.99

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

$221.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#37702 - 17111436250 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Genuine BMW - BMW

Mounts to the side of the radiator for retaining the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
37702
Mfg#:
17111436250
Ships in 3 Business Days
3% off MSRP

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

$134.99

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

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2795983 - 17117573751 - 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
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2795983
Mfg#:
17117573751
Ships in 1 Business Day
$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#37707 - 17111436381 - Coolant Expansion Tank - Does not include cap - Genuine BMW - BMW

Does not include cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37707
Mfg#:
17111436381
Ships in 1-2 days
4% off MSRP

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

$164.99

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

$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772597 - 61132359999 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
Ships on Jul 28, 2026
Auto Notify
ON SALE! SAVE 25%
$10.99

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

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#38024 - 17112283345 - Expansion Tank - Cooling system expansion tank - Genuine BMW - BMW

Cooling system expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38024
Mfg#:
17112283345
In Stock
5% off MSRP

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

$215.99

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

$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#37703 - 17111436251 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Genuine BMW - BMW

Mounts to the side of the radiator for retaining the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
37703
Mfg#:
17111436251
In Stock at Vendor
$205.99

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

$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 2

ES#2825779 - 17117573781OEKT1 - Expansion Tank Replacement Kit - Level 2 - More advanced expansion tank replacement kit - Genuine BMW - BMW

More advanced expansion tank replacement kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2825779
Mfg#:
17117573781OEKT1
Ships in 3 Business Days
$588.99

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

$586.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Aluminum Coolant Expansion Tank

ES#4812413 - 63850 - Aluminum Coolant Expansion Tank - Eliminate your failure-prone plastic tank! - Moroso - BMW

Eliminate your failure-prone plastic tank! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Moroso - Corporate Logo
ES#:
4812413
Mfg#:
63850
Back Ordered
$586.00 USD
Free Shipping
on orders $49 and up

Coolant expansion tank

ES#37855 - 17111719110 - Coolant expansion tank - Replace your cracked leaking tank to avoid over heating - Genuine BMW - BMW

Replace your cracked leaking tank to avoid over heating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37855
Mfg#:
17111719110
In Stock at Vendor
$294.99

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

$285.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#38199 - 17117573751 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Genuine BMW - BMW

Does not include cap or coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38199
Mfg#:
17117573751
In Stock at Vendor
$289.99

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

$281.99 USD
Free Shipping
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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