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BMW E90 Engine Cooling Parts

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Upper Radiator Hose

ES#4818575 - 17127540127 - Upper Radiator Hose - The hose that comes off of the top outlet on the radiator - Bremmen Parts - BMW

The hose that comes off of the top outlet on the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818575
Mfg#:
17127540127
Ships on Jun 22, 2026
Auto Notify
ON SALE! SAVE 20%
$42.99

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

$34.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2718215 - 17137640514 - Coolant Expansion Tank - Includes level sensor - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2718215
Mfg#:
17137640514
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.

$189.99

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

$180.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat

ES#2804271 - MMTS-E90-07 - Racing Thermostat - Promotes greater cooling for increased engine performance - Mishimoto - BMW

Promotes greater cooling for increased engine performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with plastic thermostat housing

Brand:
Mishimoto - Corporate Logo
ES#:
2804271
Mfg#:
MMTS-E90-07
In Stock
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Pipe - Return

ES#38984 - 17227567208 - Oil Cooler Pipe - Return - Keep your circulating oil cool and your engine healthy - Genuine BMW - BMW

Keep your circulating oil cool and your engine healthy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with high speed synchronisation

Brand:
Genuine BMW - Corporate Logo
ES#:
38984
Mfg#:
17227567208
In Stock
4% off MSRP

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

$249.99

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

$240.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2570178 - 17117559273 - Radiator - For vehicles with manual transmission - Mahle-Behr - BMW

For vehicles with manual transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2570178
Mfg#:
17117559273
In Stock
$316.58

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

$283.99 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2777664 - 17137607482KT5 - ECS Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start - Assembled By ECS - BMW

Stop your cooling problems before they start affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For automatic transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777664
Mfg#:
17137607482KT5
In Stock
ON SALE! SAVE 24%
$621.99

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

$470.06 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Transmission Oil Cooler - Heat Exchanger

ES#4709373 - 17217536929 - Transmission Oil Cooler - Heat Exchanger - Keep your transmission temperature where it should be - URO - BMW

Keep your transmission temperature where it should be 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#:
4709373
Mfg#:
17217536929
In Stock
$115.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#34327 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Genuine BMW - BMW MINI

Comes with related o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34327
Mfg#:
13621433077
In Stock
16% off MSRP

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

$66.05

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

$55.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 79C

ES#3023813 - 11537836155 - Thermostat - 79C - Includes sealing gasket - Mahle-Behr - BMW
ECS Tuning recommends this product.

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

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023813
Mfg#:
11537836155
In Stock
$74.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 N55 Water Pump - With Installation Hardware

ES#2622810 - 11517632426KT2 - N54 N55 Water Pump - With Installation Hardware - N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. Includes replacement one-time-use aluminum water pump retaining bolts. New Part Number: 11515A05704 - Genuine BMW - BMW

N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. Includes replacement one-time-use aluminum water pump retaining bolts. New Part Number: 11515A05704 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2622810
Mfg#:
11517632426KT2
In Stock
$682.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Expansion Tank Relocation Coolant Hose

ES#4723175 - 053082LA01 - Silicone Expansion Tank Relocation Coolant Hose - 60" silicone performance coolant hose featuring a molded 90 degree bend for neat installs. Used as a replacement coolant hose for the Turner N54 coolant expansion tank relocation. - Turner Motorsport - BMW

60" silicone performance coolant hose featuring a molded 90 degree bend for neat installs. Used as a replacement coolant hose for the Turner N54 coolant expansion tank relocation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4723175
Mfg#:
053082LA01
In Stock
ON SALE! SAVE 16%
$73.99

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Coolant Hose Assembly

ES#38443 - 17127548224 - Lower Coolant Hose Assembly - Located across the front of the engine bay - Genuine BMW - BMW

Located across the front of the engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For automatic transmission models only

Brand:
Genuine BMW - Corporate Logo
ES#:
38443
Mfg#:
17127548224
In Stock
2% off MSRP

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

$161.99

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

$157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant/Antifreeze - 1 Liter

ES#2178666 - 82142209769 - Coolant/Antifreeze - 1 Liter - Smaller bottle than a usual jug - great to throw in the trunk! - Genuine BMW - BMW

Smaller bottle than a usual jug - great to throw in the trunk! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles Made Pre-2018

Brand:
Genuine BMW - Corporate Logo
ES#:
2178666
Mfg#:
82142209769
In Stock
$10.60

This product was last offered at the strikethrough price on
01-08-2026

$10.49 USD
Free Shipping
on orders $49 and up

Aluminum Coolant Flange

ES#5341170 - 11127806196 - Aluminum Coolant Flange - Located on the left side of the engine - features aluminum construction to resist cracking - Rein - BMW

Located on the left side of the engine - features aluminum construction to resist cracking affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rein - Corporate Logo
ES#:
5341170
Mfg#:
11127806196
In Stock
$69.99

This product was last offered at the strikethrough price on
03-08-2026

$58.99 USD
Free Shipping
on orders $49 and up

ECS Cooling System Refresh Kit - Level 3

ES#2739954 - 11537549476RKT3 - ECS Cooling System Refresh Kit - Level 3 - Everything you need to totally service your cooling system, including a radiator and belt service - Genuine BMW - BMW

Everything you need to totally service your cooling system, including a radiator and belt service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
2739954
Mfg#:
11537549476RKT3
Ships in 3 Business Days
$2630.99 USD
This product is lifetime replacement eligible Partial Replacement

Temperature Sensor

ES#2867843 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Febi - BMW
ECS Tuning recommends this product.

Monitors coolant / oil temperature 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#:
2867843
Mfg#:
13621433076
In Stock at Vendor
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

Let us help you find the parts that fit your BMW

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

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