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BMW E90 Engine Cooling Parts

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O-Ring

ES#25105 - 11537545278 - O-Ring - Seals your cooling system - Genuine BMW - BMW

Seals your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Found at the flange end of the upper thermostat hose

Brand:
Genuine BMW - Corporate Logo
ES#:
25105
Mfg#:
11537545278
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler Black - 10 Row

ES#2764962 - MM0C10BK - Universal Oil Cooler Black - 10 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764962
Mfg#:
MM0C10BK
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#3170921 - 11517632426KT9 - ECS Cooling System Refresh Kit - Level 1 - An entry level cooling refresh kit - with high quality aftermarket components - Assembled By ECS - BMW

An entry level cooling refresh kit - with high quality aftermarket components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with manual transmission

Brand:
Assembled By ECS - Corporate Logo
ES#:
3170921
Mfg#:
11517632426KT9
Ships on Jul 7, 2026
Auto Notify
ON SALE!
$839.99

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

$760.31 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump

ES#3235106 - 11517563659 - Water Pump - Externally mounted cooling system water pump - Gates - BMW

Externally mounted cooling system water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235106
Mfg#:
11517563659
Ships on Jun 24, 2026
$759.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - With Mounting Hardware

ES#2574660 - 11517586925KT - Water Pump - With Mounting Hardware - Remanufactured factory water pump to keep your cooling system in tip top shape - Genuine BMW - BMW

Remanufactured factory water pump to keep your cooling system in tip top shape affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2574660
Mfg#:
11517586925KT
Ships in 1-2 days
$755.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

Water Pump

ES#241580 - 11517586925 - Water Pump - Factory water pump to keep your cooling system in tip top shape - Genuine BMW - BMW

Factory water pump to keep your cooling system in tip top shape affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
241580
Mfg#:
11517586925
Ships in 1-2 days
10% off MSRP

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

$828.99

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

$748.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2777666 - 17137607482KT6 - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with primary cooling system hoses and accessory belt - Assembled By ECS - BMW

A more advanced refresh kit - with primary cooling system hoses and accessory belt 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#:
2777666
Mfg#:
17137607482KT6
Ships in 1 day
ON SALE!
$785.99

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

$746.25 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 2

ES#2777069 - 11517839062KT3 - Cooling System Refresh Kit - Level 2 - Service your drive belt while servicing your cooling system - Assembled By ECS - BMW

Service your drive belt while servicing your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 04/2008

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777069
Mfg#:
11517839062KT3
Ships in 4 Business Days
$795.99

This product was last offered at the strikethrough price on
02-27-2026

$745.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Lower Radiator Hose

ES#38465 - 17127564480 - Lower Radiator Hose - The hose that attaches to the bottom of the radiator - Genuine BMW - BMW

The hose that attaches to the bottom of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38465
Mfg#:
17127564480
In Stock
7% off MSRP

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

$99.99

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

$92.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug

ES#17731 - 11117530262 - Freeze Plug - Replace your missing freeze plug today - 110x13mm - Genuine BMW - BMW

Replace your missing freeze plug today - 110x13mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
17731
Mfg#:
11117530262
Ships in 3 Business Days
10% off MSRP

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

$34.32

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

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#38261 - 17122283591 - Breather Hose - Runs from the expansion tank to the thermostat hose - Genuine BMW - BMW

Runs from the expansion tank to the thermostat hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38261
Mfg#:
17122283591
Ships in 3 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.

$60.99

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

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Performance Water Pump And Thermostat Kit

ES#4172080 - 11517586925KT15 - Ultimate Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat, Pierburg water pump, and ECS silicone hoses - Assembled By ECS - BMW

Includes a 74c race thermostat, Pierburg water pump, and ECS silicone hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with plastic thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
4172080
Mfg#:
11517586925KT15
In Stock
ON SALE!
$756.99

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

$739.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

E9X M3 Radiator Hose - Upper

ES#3499718 - 11537838214 - E9X M3 Radiator Hose - Upper - Connects the radiator to the thermostat housing - Rein - BMW

Connects the radiator to the thermostat housing 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#:
3499718
Mfg#:
11537838214
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cover Lid - Priced Each

ES#2633531 - 11117615131 - Cover Lid - Priced Each - Located on the Engine Block - Genuine BMW - BMW

Located on the Engine Block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2633531
Mfg#:
11117615131
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.

$11.19

This product was last offered at the strikethrough price on
01-11-2026

$10.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LINE, HEATER RETURN - THERMO

ES#4181212 - 17127564614 - LINE, HEATER RETURN - THERMO - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
4181212
Mfg#:
17127564614
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.

$194.99

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

$181.99 USD
Free Shipping
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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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