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BMW Cooling Expansion Tank Parts

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ES#3015899 - 17138677649 - Engine Coolant Expansion Tank - Replace your cracked or leaking tank - Does not include cap or coolant level sensor - Genuine BMW - BMW

Replace your cracked or leaking tank - 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#:
3015899
Mfg#:
17138677649
Ships in 1-2 days
7% off MSRP

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

$189.99

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

$176.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#38492 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Genuine BMW - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38492
Mfg#:
17137553919
In Stock
19% off MSRP

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

$49.59

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

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5341169 - 17137642160 - Coolant Expansion Tank - replacement for your cracked and/or damaged coolant expansion tank. - Rein - BMW

replacement for your cracked and/or damaged coolant expansion tank. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341169
Mfg#:
17137642160
In Stock
$85.00

This product was last offered at the strikethrough price on
04-27-2026

$79.99 USD
Free Shipping
on orders $49 and up
ES#4338775 - 17138570079 - Coolant Expansion Tank - Includes level sensor - Bavarian Autosport - BMW

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

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338775
Mfg#:
17138570079
In Stock
ON SALE! SAVE 20%
$78.99

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

$63.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#37957 - 17112225543 - Coolant Expansion Tank - Houses excess engine coolant - Genuine BMW - BMW

Houses excess engine coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37957
Mfg#:
17112225543
Ships in 1-2 days
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
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581926 - N524ECSTNKKT - 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 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#:
2581926
Mfg#:
N524ECSTNKKT
In Stock
ON SALE! SAVE 36%
$166.99

This product was last offered at the strikethrough price on
04-03-2026

$107.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4618485 - 17137889450 - Expansion Tank - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4618485
Mfg#:
17137889450
In Stock
ON SALE!
$226.99

This product was last offered at the strikethrough price on
05-14-2026

$220.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4499530 - 17138621092 - Coolant Expansion Tank With Cap And Level Sensor - Replace your cracked or faded tank - Hamburg Tech - 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:
Hamburg Tech - Corporate Logo
ES#:
4499530
Mfg#:
17138621092
In Stock
$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4475807 - FXXCET-B - Blackline Performance Coolant Expansion Tank Cap Cover - Blue - Give your vehicle modern styling for years to last - Goldenwrench Supply Co - BMW

Give your vehicle modern styling for years to last affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Goldenwrench Supply Co - Corporate Logo
ES#:
4475807
Mfg#:
FXXCET-B
Ships in 8 Business Days
$65.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4812418 - 63851 - 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#:
4812418
Mfg#:
63851
In Stock at Vendor
$488.99 USD
Free Shipping
on orders $49 and up
ES#4304682 - 17138621092 - Coolant Expansion Tank With Level Sensor - Replace your cracked or faded tank - Bavarian Autosport - BMW

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304682
Mfg#:
17138621092
In Stock
ON SALE! SAVE 20%
$60.99

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

$48.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4845315 - 17139846642 - Expansion Tank with Cap - Built from high-quality, heat-resistant materials, the expansion tank offers long-lasting performance and is a direct replacement for your vehicle's OEM part, guaranteeing a perfect fit. - Rein - BMW

Built from high-quality, heat-resistant materials, the expansion tank offers long-lasting performance and is a direct replacement for your vehicle's OEM part, guaranteeing a perfect fit. 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#:
4845315
Mfg#:
17139846642
In Stock
$99.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4316587 - 17137642158 - 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#:
4316587
Mfg#:
17137642158
In Stock
$86.99

This product was last offered at the strikethrough price on
03-09-2026

$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4216039 - 17139846642 - Expansion Tank - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4216039
Mfg#:
17139846642
Ships in 1-2 days
7% off MSRP

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

$198.99

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

$185.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4732065 - 17135A1BD89 - Engine Coolant Expansion Tank Cap - Replacement expansion tank cap for your BMW - Genuine BMW - BMW

Replacement expansion tank cap for your BMW affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4732065
Mfg#:
17135A1BD89
In Stock
6% off MSRP

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

$34.99

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

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2874178 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Febi - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level 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#:
2874178
Mfg#:
17137553919
In Stock
$18.99 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.

Other BMW Cooling Expansion Tank Parts

Let us help you find the parts that fit your BMW

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