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

Expansion Tank Cap

ES#3023872 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - Mahle-Behr - BMW

Replace when performing cooling service.

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023872
Mfg#:
17111742231
Ships in 3 Business Days
$20.99

This product was last offered at the strikethrough price on
08-13-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772597 - 61132359999 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
In Stock
ON SALE! SAVE 25%
$10.99

This product was last offered at the strikethrough price on
06-13-2026

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Auxiliary Pusher Fan Assembly - With Frame

ES#4023569 - 64546988913 - E46 Auxiliary Pusher Fan Assembly - With Frame - Cooling fan mounted in front of the radiator - URO - BMW

Cooling fan mounted in front of the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4023569
Mfg#:
64546988913
Back Ordered
$202.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#4069398 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Rein - BMW

From water pump to expansion tank hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069398
Mfg#:
11537502000
In Stock
ON SALE!
$39.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Coolant System Tester

ES#199581 - 83300494417 - Universal Coolant System Tester - Checks the engine cooling system for water tightness to ensure there are no leaks. - Genuine BMW - BMW MINI

Checks the engine cooling system for water tightness to ensure there are no leaks.

Brand:
Genuine BMW - Corporate Logo
ES#:
199581
Mfg#:
83300494417
Ships in 1-2 days
$796.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Universal Oil Cooler - 19 Row

ES#2855412 - MM0C-19 - Replacement Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines

Brand:
Mishimoto - Corporate Logo
ES#:
2855412
Mfg#:
MM0C-19
In Stock
$218.99

This product was last offered at the strikethrough price on
05-06-2026

$196.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#24512 - 11527831619 - Radiator Fan Clutch - OEM replacement - Genuine BMW - BMW

OEM replacement

Brand:
Genuine BMW - Corporate Logo
ES#:
24512
Mfg#:
11527831619
Ships in 1-2 days
3% off MSRP

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

$401.99

This product was last offered at the strikethrough price on
09-04-2026

$388.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Auxiliary Pusher Fan Assembly

ES#2580590 - 64546988913 - E46 Auxiliary Pusher Fan Assembly - Cooling fan mounted in front of the radiator - TYC - BMW

Cooling fan mounted in front of the radiator

Brand:
TYC - Corporate Logo
ES#:
2580590
Mfg#:
64546988913
Ships in 1 Business Day
$261.99

This product was last offered at the strikethrough price on
05-07-2026

$254.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 2

ES#2707752 - 17127510952KT9 - Cooling System Refresh Kit - Level 2 - A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring high quality aftermarket contents - Assembled By ECS - BMW

A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring high quality aftermarket contents 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2707752
Mfg#:
17127510952KT9
Ships on Dec 18, 2026
Auto Notify
ON SALE! SAVE 12%
$860.99

This product was last offered at the strikethrough price on
07-15-2026

$756.96 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Performance Cooling System Refresh Kit - Level 1

ES#4315901 - ECSE461711-3KT - ECS Performance Cooling System Refresh Kit - Level 1 - Featuring Stewart High Performance water pump, heavy duty ECS water pump pulley, ECS Silicone hoses, and racing thermostat! - Assembled By ECS - BMW

Featuring Stewart High Performance water pump, heavy duty ECS water pump pulley, ECS Silicone hoses, and racing thermostat! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4315901
Mfg#:
ECSE461711-3KT
Ships in 3 Business Days
ON SALE!
$764.99

This product was last offered at the strikethrough price on
06-15-2026

$751.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

DO88 Racing Oil Cooler - E46 M3

ES#4656912 - OC150 - DO88 Racing Oil Cooler - E46 M3 - The perfect oil cooler for the track and on the street! - DO88 - BMW

The perfect oil cooler for the track and on the street!

Brand:
DO88 - Corporate Logo
ES#:
4656912
Mfg#:
OC150
Ships on Sep 25, 2026
$749.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump O-Ring

ES#25166 - 11537830709 - Water Pump O-Ring - Original equipment replacement O-Ring - Genuine BMW - BMW
ECS Tuning recommends this product.

Original equipment replacement O-Ring

Brand:
Genuine BMW - Corporate Logo
ES#:
25166
Mfg#:
11537830709
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Radiator - Blue Hose - E46 M3

ES#4656923 - WC310B - Aluminum Radiator - Blue Hose - E46 M3 - Let your engine breathe better with this DO88 Radiator! - DO88 - BMW

Let your engine breathe better with this DO88 Radiator!

Brand:
DO88 - Corporate Logo
ES#:
4656923
Mfg#:
WC310B
Ships on Sep 25, 2026
$735.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Radiator - Black - E46 M3

ES#4656925 - WC310S - Aluminum Radiator - Black - E46 M3 - Let your engine breathe better with this DO88 Radiator! - DO88 - BMW

Let your engine breathe better with this DO88 Radiator!

Brand:
DO88 - Corporate Logo
ES#:
4656925
Mfg#:
WC310S
Ships on Sep 25, 2026
$735.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal Fan Mount Kit

ES#2764772 - MMFANMOUNT - Universal Fan Mount Kit - Through radiator mounts for custom applications - Mishimoto - Audi BMW Volkswagen MINI

Through radiator mounts for custom applications

Brand:
Mishimoto - Corporate Logo
ES#:
2764772
Mfg#:
MMFANMOUNT
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Puller Fan Assembly

ES#38183 - 17117561757 - Auxiliary Puller Fan Assembly - Cooling fan mounted behind the radiator - Genuine BMW - BMW

Cooling fan mounted behind the radiator For vehicles with production date from 10/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
38183
Mfg#:
17117561757
Ships in 1-2 days
4% off MSRP

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

$759.99

This product was last offered at the strikethrough price on
09-04-2026

$725.99 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.

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