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 E46 Engine Cooling Parts

Sort By
Filter By
Return to Top

E46 M3 Radiator Hose - Upper

ES#25173 - 11537830716 - E46 M3 Radiator Hose - Upper - Connects the radiator to the thermostat housing - Genuine BMW - BMW

Connects the radiator to the thermostat housing

Brand:
Genuine BMW - Corporate Logo
ES#:
25173
Mfg#:
11537830716
Ships in 1-2 days
$65.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row, with Thermostat - Black

ES#2764104 - MM0CULTBK - Universal Oil Cooler - 19 Row, with Thermostat - Black - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764104
Mfg#:
MM0CULTBK
Ships in 3 Business Days
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit - Red

ES#3047778 - MMHOSEE46NONMRD - Silicone Radiator Hose Kit - Red - Includes pre-attached OE quick-disconnect fittings and new O-rings - Mishimoto - BMW

Includes pre-attached OE quick-disconnect fittings and new O-rings

Brand:
Mishimoto - Corporate Logo
ES#:
3047778
Mfg#:
MMHOSEE46NONMRD
Back Ordered
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2497335 - 17127510952KT - Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring OEM contents - Genuine BMW - BMW

Contains the components that commonly fail in your cooling system - featuring OEM contents

Brand:
Genuine BMW - Corporate Logo
ES#:
2497335
Mfg#:
17127510952KT
Ships in 1-2 days
$1197.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

O-Ring - Priced Each

ES#2800129 - 17222245358 - O-Ring - Priced Each - 13.4x1.78mm. Made in Germany. - Rein - BMW MINI

13.4x1.78mm. Made in Germany. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2800129
Mfg#:
17222245358
In Stock
ON SALE! SAVE 19%
$4.99

This product was last offered at the strikethrough price on
08-31-2026

$4.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump and Seal

ES#3674733 - PA659 - Water Pump and Seal - Get your cooling system flowing properly again. - Saleri - BMW

Get your cooling system flowing properly again.

Brand:
Saleri - Corporate Logo
ES#:
3674733
Mfg#:
PA659
In Stock
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#4500484 - Rad-Type11 - Performance Aluminum Radiator - All metal high performance radiator for improved cooling performance - Zionsville Autosport - BMW

All metal high performance radiator for improved cooling performance

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500484
Mfg#:
RAD-TYPE11
Ships on Oct 1, 2026
$1149.99 USD

Radiator Fan Clutch

ES#2534571 - 11527831619 - Radiator Fan Clutch - Direct replacement - URO - BMW

Direct replacement 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534571
Mfg#:
11527831619
In Stock
$71.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Hose

ES#4818535 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Bremmen Parts - BMW

Connects the Expansion Tank to the Water Pipe 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818535
Mfg#:
11531436410
In Stock
ON SALE! SAVE 18%
$27.99

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

$22.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cooling System Refresh Kit - Level 2

ES#4876926 - 008682LA02-RF2KT - Performance Cooling System Refresh Kit - Level 2 - A comprehensive service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! - Assembled By ECS - BMW

A comprehensive service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876926
Mfg#:
008682LA02-RF2KT
Ships on Dec 18, 2026
Auto Notify
ON SALE!
$1208.99

This product was last offered at the strikethrough price on
07-16-2026

$1142.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Radiator Fan Clutch

ES#2813461 - 11521719269 - Radiator Fan Clutch - Common source of engine overheating - Hamburg Tech - BMW

Common source of engine overheating We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813461
Mfg#:
11521719269
Ships in 1 Business Day
ON SALE! SAVE 20%
$79.99

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

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AAF Aluminum Radiator Mounting Kit - E46

ES#4501373 - 11641 - AAF Aluminum Radiator Mounting Kit - E46 - Mount your new radiator the right way! - Advanced Auto Fabrication - BMW

Mount your new radiator the right way!

Brand:
Advanced Auto Fabrication - Corporate Logo
ES#:
4501373
Mfg#:
11641
In Stock at Vendor
$189.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

32/36mm Double Open End Fan Clutch Wrench

ES#240950 - DO-3236 - 32/36mm Double Open End Fan Clutch Wrench - Specifically designed for removal of most European fan clutch nuts to make your job easier - Schwaben - BMW Volkswagen
ECS Tuning recommends this product.

Specifically designed for removal of most European fan clutch nuts to make your job easier 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
240950
Mfg#:
DO-3236
In Stock
ON SALE! SAVE 25%
$25.99

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

$19.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#263517 - ECSE461711-2 - ECS Cooling System Refresh Kit - Level 2 - A more advanced kit that includes belt service components - featuring OEM contents - Genuine BMW - BMW

A more advanced kit that includes belt service components - featuring OEM contents For vehicles with production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
263517
Mfg#:
ECSE461711-2
Ships in 2 Business Days
$1105.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 2

ES#263522 - ECSE461711-2 - ECS Cooling System Refresh Kit - Level 2 - A more advanced cooling refresh kit - with OEM components - Genuine BMW - BMW

A more advanced cooling refresh kit - with OEM components For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
263522
Mfg#:
ECSE461711-2
Ships in 2 Business Days
$1095.99 USD
Free Shipping
This product is lifetime replacement eligible Partial 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.

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