Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW Engine Cooling Parts

Sort By
Filter By
Return to Top

Coolant Return Hose - Engine to Radiator

ES#3082555 - 17128616548 - Coolant Return Hose - Engine to Radiator - Returns coolant from the engine block to the radiator - Genuine BMW - BMW

Returns coolant from the engine block to the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3082555
Mfg#:
17128616548
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.

$162.99

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

$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Aluminum Housing - N20

ES#4759997 - 11538635689M - Thermostat With Aluminum Housing - N20 - Aluminum construction for improved durability over stock design! Includes an integrated thermostat. - Bremmen Parts - BMW

Aluminum construction for improved durability over stock design! Includes an integrated thermostat. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759997
Mfg#:
11538635689M
In Stock
ON SALE! SAVE 20%
$125.99

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

$100.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 Aluminum Coolant Expansion Tank Relocation Kit - 135i

ES#3647096 - 021942TMS14 - N54 Aluminum Coolant Expansion Tank Relocation Kit - 135i - Ditch the weak, factory plastic coolant expansion tank and free up space on the hot side of your engine bay! - Turner Motorsport - BMW

Ditch the weak, factory plastic coolant expansion tank and free up space on the hot side of your engine bay! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Compatible with factory/aftermarket cold side intakes as well as hot side intakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3647096
Mfg#:
021942TMS14
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 15%
$815.99

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

$693.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2795853 - 17137640514 - Coolant Expansion Tank - Includes level sensor - Mahle-Behr - BMW

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

Brand:
Mahle-Behr - Corporate Logo
ES#:
2795853
Mfg#:
17137640514
Ships in 2 Business Days
$142.99

This product was last offered at the strikethrough price on
02-20-2026

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

Race-spec Dual-pass oil cooler

ES#2992675 - 8032 - Race-spec Dual-pass oil cooler - True plug-and-play! No modifications - just better performance. Lower engine temperatures mean more power and longer life of engine components. - CSF - BMW

True plug-and-play! No modifications - just better performance. Lower engine temperatures mean more power and longer life of engine components. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
2992675
Mfg#:
8032
In Stock
$549.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2955401 - 17117562079 - Radiator - Replace your leaking radiator. Multi-fit, work with BMWs with an automatic transmissions. - Nissens - BMW
ECS Tuning recommends this product.

Replace your leaking radiator. Multi-fit, work with BMWs with an automatic transmissions. We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
2955401
Mfg#:
17117562079
In Stock
$235.95

This product was last offered at the strikethrough price on
01-07-2026

$174.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BigPack BMW M3 E90/E92 DKG DCT

ES#4849634 - BIG-M3-DCT - BigPack BMW M3 E90/E92 DKG DCT - The Do88 BigPack BMW M3 E90/E92 DKG DCT cooling kit is engineered to meet the highest standards, providing BMW M3 owners with a reliable, efficient, and performance-driven cooling solution. - DO88 - BMW

The Do88 BigPack BMW M3 E90/E92 DKG DCT cooling kit is engineered to meet the highest standards, providing BMW M3 owners with a reliable, efficient, and performance-driven cooling solution. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For BMW M3 E90 and E92 models with DKG/DCT transmission

Brand:
DO88 - Corporate Logo
ES#:
4849634
Mfg#:
BIG-M3-DCT
Ships in 5 Business Days
$3041.99

This product was last offered at the strikethrough price on
05-26-2026

$2616.99 USD

Thermostat With Housing

ES#10944 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Wahler - BMW
ECS Tuning recommends this product.

A common item to crack causing leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
10944
Mfg#:
11537509227
In Stock
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race-Spec Oil Cooler

ES#4147445 - 8145 - Race-Spec Oil Cooler - Keep oil temps low on or off the track! - CSF - BMW

Keep oil temps low on or off the track! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
4147445
Mfg#:
8145
In Stock
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Water Pump And Thermostat Kit

ES#2804281 - 11517632426KT5 - Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat - Assembled By ECS - BMW

Includes a 74c race thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Reuses factory thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804281
Mfg#:
11517632426KT5
In Stock
ON SALE! SAVE 20%
$514.99

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

$410.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Performance Aluminum Heat Exchanger - Polished Finish

ES#3194402 - 8075 - Performance Aluminum Heat Exchanger - Polished Finish - Keep intake temperatures low with this dual-core heat exchanger! - CSF - BMW

Keep intake temperatures low with this dual-core heat exchanger! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Drop-in fitment that requires no modifications

Brand:
CSF - Corporate Logo
ES#:
3194402
Mfg#:
8075
In Stock
$699.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3504771 - 17137640514 - Coolant Expansion Tank - Includes level sensor - Rein - BMW
ECS Tuning recommends this product.

Includes level sensor 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#:
3504771
Mfg#:
17137640514
In Stock
$75.99

This product was last offered at the strikethrough price on
12-12-2025

$70.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump & Thermostat Replacement Kit

ES#4818688 - 11537586784KT - Water Pump & Thermostat Replacement Kit - Featuring an OEM Pierburg all-aluminum water pump and URO thermostat. - Assembled By ECS - BMW

Featuring an OEM Pierburg all-aluminum water pump and URO thermostat. 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#:
4818688
Mfg#:
11537586784KT
In Stock
ON SALE! SAVE 13%
$743.99

This product was last offered at the strikethrough price on
03-31-2026

$644.91 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Radiator

ES#3545367 - 3709 - Radiator - Standard replacement radiator - CSF - BMW

Standard replacement radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
CSF - Corporate Logo
ES#:
3545367
Mfg#:
3709
In Stock
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AGA Tools N62 & N62TU coolant pipe

ES#4464356 - AGA-N62-6061 - AGA Tools N62 & N62TU coolant pipe - Replace the factory piece that is prone to failure. - AGA Tools - BMW

Replace the factory piece that is prone to failure. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AGA Tools - Corporate Logo
ES#:
4464356
Mfg#:
AGA-N62-6061
In Stock
$560.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit

ES#2718145 - 003628ECS01 - Silicone Radiator Hose Kit - Retains OEM fitment with superior looks and durability! - ECS - BMW

Retains OEM fitment with superior looks and durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2718145
Mfg#:
003628ECS01
In Stock
ON SALE! SAVE 20%
$110.99

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

$88.79 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.

Other BMW Engine Cooling Parts

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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings