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

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! 10X Entries Into Our F80 M3 Sweepstakes
Compatible with factory/aftermarket cold side intakes as well as hot side intakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3647096
Mfg#:
021942TMS14
In Stock
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

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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2718145
Mfg#:
003628ECS01
In Stock
ON SALE! SAVE 25%
$113.99

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

$85.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Water Pump - B46 2.0L

ES#3178392 - 11518638026 - Mechanical Water Pump - B46 2.0L - Genuine BMW replacement water pump assembly - Genuine BMW - BMW

Genuine BMW replacement water pump assembly For model years 2017-2019

Brand:
Genuine BMW - Corporate Logo
ES#:
3178392
Mfg#:
11518638026
In Stock
9% off MSRP

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

$200.22

This product was last offered at the strikethrough price on
10-23-2026

$183.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Heavy Duty Aluminum Expansion Tank Kit

ES#4876028 - 054921LA02 - E9X M3 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876028
Mfg#:
054921LA02
Ships on Feb 18, 2027
ON SALE! SAVE 15%
$458.99

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

$390.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Kit

ES#3659484 - 11517632426KT-1 - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat using Genuine BMW components - Genuine BMW - BMW

Includes everything you need to replace your water pump and thermostat using Genuine BMW components

Brand:
Genuine BMW - Corporate Logo
ES#:
3659484
Mfg#:
11517632426KT-1
Ships in 1-2 days
$902.99

This product was last offered at the strikethrough price on
08-07-2026

$897.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Water Pump

ES#5435284 - MMWP-N54-07 - Water Pump - Precision-engineered solution for the frequent cooling system failures found in the N54 and N55 engines. - Mishimoto - BMW

Precision-engineered solution for the frequent cooling system failures found in the N54 and N55 engines.

Brand:
Mishimoto - Corporate Logo
ES#:
5435284
Mfg#:
MMWP-N54-07
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.

$393.00

This product was last offered at the strikethrough price on
10-23-2026

$383.99 USD
Free Shipping
on orders $49 and up

F8X High Performance Aluminum Heat Exchanger

ES#4920939 - 050626LA01 - F8X High Performance Aluminum Heat Exchanger - Direct-fit upgrade over OEM! Reduce IATs & boost reliability with durable all-aluminum construction. - Turner Motorsport - BMW

Direct-fit upgrade over OEM! Reduce IATs & boost reliability with durable all-aluminum construction. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4920939
Mfg#:
050626LA01
In Stock
ON SALE! SAVE 25%
$509.99

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

$382.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Hose

ES#2802438 - 17127540127 - Upper Radiator Hose - The hose that comes off of the top outlet on the radiator - Rein - BMW

The hose that comes off of the top outlet on the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802438
Mfg#:
17127540127
In Stock
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses

ES#4876697 - 008363LA02EB1KT - M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses - The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. - Enthusiast Bundles - BMW

The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876697
Mfg#:
008363LA02EB1KT
Ships on Jan 11, 2027
ON SALE! SAVE 24%
$1055.95

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

$799.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VTT Complete N54 Coolant Hose Kit - Blue

ES#4475785 - VTT-N54-COOLANTB - VTT Complete N54 Coolant Hose Kit - Blue - Coolant hose that last longer than OEM! - Vargas Turbo Technologies - BMW

Coolant hose that last longer than OEM! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4475785
Mfg#:
VTT-N54-COOLANTB
Ships in 6 Business Days
$464.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#263518 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring aftermarket contents 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
263518
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$336.99

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

$323.65 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Aluminum Coolant Hose Flange

ES#3988529 - CHC0609 - Aluminum Coolant Hose Flange - Upgraded metal flange for water hoses - Rein - BMW

Upgraded metal flange for water hoses 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3988529
Mfg#:
CHC0609
In Stock
$36.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X N54/N55 6MT High-Performance Dual Core Aluminum Radiator

ES#4839753 - 004443LA01 - E9X N54/N55 6MT High-Performance Dual Core Aluminum Radiator - Track-tested and street-readythe ULTIMATE cooling system upgrade for your N54 or N55! - Turner Motorsport - BMW

Track-tested and street-ready—the ULTIMATE cooling system upgrade for your N54 or N55! 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!
For vehicles with manual transmission only

Brand:
Turner Motorsport - Corporate Logo
ES#:
4839753
Mfg#:
004443LA01
In Stock
ON SALE!
$604.99

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

$586.84 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Line Kit

ES#4765882 - 11537558900KT3 - Turbo Coolant Line Kit - Includes all four coolant lines and 1 Gallon of Genuine BMW coolant. - Assembled By ECS - BMW

Includes all four coolant lines and 1 Gallon of Genuine BMW coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4765882
Mfg#:
11537558900KT3
In Stock
ON SALE! SAVE 22%
$253.99

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

$199.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank

ES#38201 - 17117573781 - Coolant Expansion Tank - Does not include cap or coolant level sensor - Genuine BMW - BMW

Does not include cap or coolant level sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
38201
Mfg#:
17117573781
In Stock
$173.21 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.

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