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

Coolant Temperature Sensor

ES#5456617 - 3141362103 - Coolant Temperature Sensor - Built with thermistor technology to maintain signal integrity under extreme temperature cycles, preventing overheating and poor fuel economy. - Meyle - BMW

Built with thermistor technology to maintain signal integrity under extreme temperature cycles, preventing overheating and poor fuel economy. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Meyle - Corporate Logo
ES#:
5456617
Mfg#:
3141362103
Ships on Nov 30, 2026
$8.99 USD
Free Shipping
on orders $49 and up

E46 Expanding Rivet - Priced Each

ES#2702207 - 17111712963 - E46 Expanding Rivet - Priced Each - Fan shroud expanding clamp/rivet - Vaico - BMW

Fan shroud expanding clamp/rivet We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2702207
Mfg#:
17111712963
In Stock at Vendor
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gasket Ring

ES#179203 - 64508369241 - Gasket Ring - Genuine BMW - BMW
ECS Tuning recommends this product.

D=15,54 Mm

Brand:
Genuine BMW - Corporate Logo
ES#:
179203
Mfg#:
64508369241
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Mounting Clamp

ES#2814070 - 17111707777 - Expansion Tank Mounting Clamp - Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank - Hamburg Tech - BMW

Locks the expansion tank into the mounting plate via the large hole in the bottom of the tank We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814070
Mfg#:
17111707777
Ships in 1 Business Day
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dowel Pin

ES#241586 - 11537839819 - Dowel Pin - Genuine BMW - BMW

3,7X8

Brand:
Genuine BMW - Corporate Logo
ES#:
241586
Mfg#:
11537839819
Ships in 7 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Mount - Priced Each

ES#205342 - 17111178412 - Lower Radiator Mount - Priced Each - Rubber lower mount for your radiator - MTC - BMW

Rubber lower mount for your radiator

Brand:
MTC - Corporate Logo
ES#:
205342
Mfg#:
17111178412
Back Ordered
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#2581151 - 13621743299 - O-Ring - Priced Each - Replacement o-ring for the temperature sensor - Victor Reinz - BMW

Replacement o-ring for the temperature sensor

Brand:
Victor Reinz - Corporate Logo
ES#:
2581151
Mfg#:
13621743299
Ships in 1 Business Day
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bleeder Screw with O-Ring for Cooling System

ES#2868197 - 17111712788 - Bleeder Screw with O-Ring for Cooling System - Comes with O-Ring - Febi - BMW

Comes with O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2868197
Mfg#:
17111712788
In Stock at Vendor
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Gasket

ES#4316576 - 11537509357 - Thermostat Housing Gasket - Needs to be replaced once removed - URO - BMW

Needs to be replaced once removed 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4316576
Mfg#:
11537509357
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up

Phillips Head Screw

ES#14547 - 07119904307 - Phillips Head Screw - M4x6 - Genuine BMW - BMW MINI

M4x6

Brand:
Genuine BMW - Corporate Logo
ES#:
14547
Mfg#:
07119904307
Ships in 7 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3

ES#4045331 - 3478430NOBELTKT - ECS Cooling System Refresh Kit - Level 3 - Assembled By ECS - BMW

10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4045331
Mfg#:
3478430NOBELTKT
In Stock at Vendor
ON SALE!
$1087.36 USD
This product is lifetime replacement eligible Partial Replacement
Scratch and Dent Item

BMW S54 Swap High-Performance Radiator - E36/E46 *Scratch And Dent*

ES#5434332 - 7211 - BMW S54 Swap High-Performance Radiator - E36/E46 *Scratch And Dent* - Cooling for your S54 Swap! - Scratch & Dent - BMW

Cooling for your S54 Swap! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5434332
Mfg#:
7211
In Stock
ON SALE! SAVE 30%
$565.00

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

$395.00 USD
Free Shipping
on orders $49 and up
Scratch and Dent Item

Universal 12" Electric Fan - Black *Scratch And Dent*

ES#4920624 - 30102029SD - Universal 12" Electric Fan - Black *Scratch And Dent* - Scratch & Dent - Audi BMW MINI

ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
4920624
Mfg#:
30102029SD
In Stock
ON SALE! SAVE 39%
$207.99

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

$127.00 USD
Free Shipping
on orders $49 and up

Water Pump Installation Hardware Kit

Keep your cooling system operating at peak performance with this Genuine BMW water pump o-ring and mounting bolt kit.

Brand:
Genuine BMW - Corporate Logo
ES#:
5481473
Mfg#:
0071199KT
In Stock
$7.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Puller Fan Assembly

ES#1831968 - 17117561757 - Auxiliary Puller Fan Assembly - Cooling fan that is mounted behind the radiator - ACM - BMW

Cooling fan that is mounted behind the radiator

Brand:
ACM - Corporate Logo
ES#:
1831968
Mfg#:
17117561757
In Stock at Vendor
$330.99

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

$320.99 USD
Free Shipping
on orders $49 and up

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