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BMW E53 X5 M54 3.0L

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BMW E53 X5 M54 3.0L Cooling Expansion Tank Parts

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Coolant Expansion Tank

ES#3023856 - 17107514964 - Coolant Expansion Tank - Includes bleeder screw and level sensor - Mahle-Behr - BMW

Includes bleeder screw and level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023856
Mfg#:
17107514964
Ships in 1-2 days
$121.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

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

Expansion Tank Replacement Kit - Level 1

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

Expansion Tank Replacement Kit - Level 1

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
$271.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Grommet

ES#177738 - 64126910076 - Expansion Tank Grommet - Used in the expansion tank - Genuine BMW - BMW MINI

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

Brand:
Genuine BMW - Corporate Logo
ES#:
177738
Mfg#:
64126910076
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Clamp

ES#37772 - 17111707777 - Expansion Tank Mounting Clamp - Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank - Genuine BMW - 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

Brand:
Genuine BMW - Corporate Logo
ES#:
37772
Mfg#:
17111707777
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3504790 - 17107514964 - Coolant Expansion Tank - Includes bleeder screw - Rein - BMW

Includes bleeder screw 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#:
3504790
Mfg#:
17107514964
Ships in 3 Business Days
$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

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
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

Coolant Expansion Tank

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
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874170
Mfg#:
17117573781
Ships on Sep 2, 2026
$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mount

ES#2814068 - 17111438819 - Expansion Tank Mount - Found on the left side of the radiator - Hamburg Tech - BMW

Found on the left side of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814068
Mfg#:
17111438819
Ships in 1 Business Day
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mount

ES#37715 - 17111438819 - Expansion Tank Mount - Found on the left side of the radiator - Genuine BMW - BMW

Found on the left side of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
37715
Mfg#:
17111438819
Ships in 8 Business 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.

$127.99

This product was last offered at the strikethrough price on
03-26-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

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
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

Coolant Expansion Tank

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

Includes bleeder screw 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#:
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

Expansion Tank Mount

ES#4147010 - 17111438819 - Expansion Tank Mount - Found on the left side of the radiator and attaches to the frame of the vehicle for the expansion tank. - URO - BMW

Found on the left side of the radiator and attaches to the frame of the vehicle for 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 automatic transmission

Brand:
URO - Corporate Logo
ES#:
4147010
Mfg#:
17111438819
Ships in 1 Business Day
$51.99 USD
Free Shipping
on orders $49 and up

Automatic Transmission Thermostat Kit

ES#2863188 - 17111438819KT - Automatic Transmission Thermostat Kit - Includes new Thermostat, Mounting Plate and Water Connection Pipe - Assembled By ECS - BMW

Includes new Thermostat, Mounting Plate and Water Connection Pipe 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#:
2863188
Mfg#:
17111438819KT
Ships on Sep 30, 2026
Auto Notify
ON SALE!
$99.99

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

$95.07 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank

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
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

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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