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 Coolant hose

ES#177980 - 64216902678 - E46 M3 Coolant hose - Runs from block to heater core valve - Genuine BMW - BMW

Runs from block to heater core valve

Brand:
Genuine BMW - Corporate Logo
ES#:
177980
Mfg#:
64216902678
Ships in 1-2 days
2% off MSRP

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

$55.99

This product was last offered at the strikethrough price on
10-24-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Shroud Duct - Right

ES#37982 - 17112228946 - Radiator Fan Shroud Duct - Right - Surrounds the fan shroud - Genuine BMW - BMW

Surrounds the fan shroud

Brand:
Genuine BMW - Corporate Logo
ES#:
37982
Mfg#:
17112228946
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.

$109.99

This product was last offered at the strikethrough price on
10-24-2026

$106.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Shroud Duct - Left

ES#37981 - 17112228945 - Radiator Fan Shroud Duct - Left - Surrounds the fan shroud - Genuine BMW - BMW

Surrounds the fan shroud

Brand:
Genuine BMW - Corporate Logo
ES#:
37981
Mfg#:
17112228945
Ships in 1-2 days
2% off MSRP

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

$90.99

This product was last offered at the strikethrough price on
10-24-2026

$88.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Shroud

ES#37704 - 17111436259 - Auxiliary Fan Shroud - Surrounds the fan to help draw air into the radiator - Genuine BMW - BMW

Surrounds the fan to help draw air into the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37704
Mfg#:
17111436259
Ships in 4 Business 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.

$108.99

This product was last offered at the strikethrough price on
10-24-2026

$105.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Plate

ES#37702 - 17111436250 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Genuine BMW - BMW

Mounts to the side of the radiator for retaining the expansion tank For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
37702
Mfg#:
17111436250
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.

$134.99

This product was last offered at the strikethrough price on
10-24-2026

$131.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#2813458 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - Hamburg Tech - BMW

Replace your brittle fan before it sends a blade through your radiator We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813458
Mfg#:
11521712058
In Stock
$22.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2608763 - 17117573781 - Coolant Expansion Tank - Includes new level sensor and lower mounting clamp! - Vaico - BMW

Includes new level sensor and lower mounting clamp! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2608763
Mfg#:
17117573781
In Stock
$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Pulley Kit

ES#2718229 - 002778ECS01AKT - Aluminum Water Pump Pulley Kit - Includes belt and hardware - Assembled By ECS - BMW

Includes belt and hardware 10X Entries Into Our F80 M3 Sweepstakes
A "bolt on and go" answer to a weak, unattractive water pump pulley

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718229
Mfg#:
002778ECS01AKT
Ships on Dec 18, 2026
$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW S54 Swap Race-Spec Oil Cooler - E36/E46

ES#4668279 - 8240 - BMW S54 Swap Race-Spec Oil Cooler - E36/E46 - Cooling for your S54 Swap! - CSF - BMW

Cooling for your S54 Swap! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
4668279
Mfg#:
8240
Ships in 3 Business Days
$519.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator

ES#2070637 - 17102228941 - E46 Radiator - Aftermarket radiator for your E46 M3 - Nissens - BMW

Aftermarket radiator for your E46 M3 We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2070637
Mfg#:
17102228941
Special Order: No Guaranteed ETA
$619.99

This product was last offered at the strikethrough price on
10-05-2026

$517.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit - Black

ES#2764964 - MMHOSEE3692BK - Silicone Radiator Hose Kit - Black - Stronger and better looking than OEM hoses - Mishimoto - BMW

Stronger and better looking than OEM hoses

Brand:
Mishimoto - Corporate Logo
ES#:
2764964
Mfg#:
MMHOSEE3692BK
In Stock
$110.99

This product was last offered at the strikethrough price on
05-08-2026

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pipe

ES#4017792 - 11537502525PRM - Aluminum Water Pipe - Connects return hose to engine block - URO Premium - BMW

Connects return hose to engine block 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4017792
Mfg#:
11537502525PRM
In Stock
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Sealing Gasket

ES#37699 - 17111436245 - Lower Sealing Gasket - Used along the lower portion of the radiator - Genuine BMW - BMW

Used along the lower portion of the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37699
Mfg#:
17111436245
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.

$36.99

This product was last offered at the strikethrough price on
10-24-2026

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit - Level 2

ES#2825779 - 17117573781OEKT1 - Expansion Tank Replacement Kit - Level 2 - More advanced expansion tank replacement kit - Genuine BMW - BMW

More advanced expansion tank replacement kit

Brand:
Genuine BMW - Corporate Logo
ES#:
2825779
Mfg#:
17117573781OEKT1
Ships in 1-2 days
$589.99

This product was last offered at the strikethrough price on
07-10-2026

$499.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2602973 - 11537831103KT - Thermostat Replacement Kit - Includes thermostat, o-ring, and coolant - Genuine BMW - BMW

Includes thermostat, o-ring, and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2602973
Mfg#:
11537831103KT
In Stock
$165.99

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

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Expansion Tank Replacement Kit - Level 1

ES#2588199 - 17117573781KT - Expansion Tank Replacement Kit - Level 1 - Includes a level sensor and cap - Assembled By ECS - BMW

Includes a level sensor and cap 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588199
Mfg#:
17117573781KT
In Stock
ON SALE! SAVE 19%
$85.99

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

$69.24 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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings