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 E90 Engine Cooling Parts

Sort By
Filter By
Return to Top

Ultimate Performance Water Pump And Thermostat Kit

ES#4172080 - 11517586925KT15 - Ultimate Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat, Pierburg water pump, and ECS silicone hoses - Assembled By ECS - BMW

Includes a 74c race thermostat, Pierburg water pump, and ECS silicone hoses 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with plastic thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
4172080
Mfg#:
11517586925KT15
In Stock
ON SALE!
$756.99

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

$745.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2777666 - 17137607482KT6 - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with primary cooling system hoses and accessory belt - Assembled By ECS - BMW

A more advanced refresh kit - with primary cooling system hoses and accessory belt 10X Entries For Our 25th Anniversary Sweepstakes!
For automatic transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777666
Mfg#:
17137607482KT6
In Stock
ON SALE!
$785.99

This product was last offered at the strikethrough price on
04-06-2026

$745.67 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Breather Hose

ES#38261 - 17122283591 - Breather Hose - Runs from the expansion tank to the thermostat hose - Genuine BMW - BMW

Runs from the expansion tank to the thermostat hose

Brand:
Genuine BMW - Corporate Logo
ES#:
38261
Mfg#:
17122283591
Ships in 3 Business Days
7% off MSRP

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

$60.99

This product was last offered at the strikethrough price on
07-21-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#249028 - 11127806196 - Coolant Flange - Located on the left side of the engine - Genuine BMW - BMW

Located on the left side of the engine

Brand:
Genuine BMW - Corporate Logo
ES#:
249028
Mfg#:
11127806196
In Stock
5% 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
07-21-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#24048 - 11427558936 - O-Ring - Priced Each - Used to seal the oil and water lines for the turbochargers - Genuine BMW - BMW

Used to seal the oil and water lines for the turbochargers

Brand:
Genuine BMW - Corporate Logo
ES#:
24048
Mfg#:
11427558936
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - 1/8NPT

ES#4493067 - RGCTSA1/8NPT - Race German Coolant Temperature Sender Adapter - 1/8NPT - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge!

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

LINE, HEATER RETURN - THERMO

ES#4181212 - 17127564614 - LINE, HEATER RETURN - THERMO - Genuine BMW - BMW

For Vehicles Equipped with Manual Transmissions

Brand:
Genuine BMW - Corporate Logo
ES#:
4181212
Mfg#:
17127564614
In Stock
ON SALE!
$181.99

This product was last offered at the strikethrough price on
06-25-2026

$176.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connector - Priced Each

ES#38164 - 17117548104 - Connector - Priced Each - Connector for radiator - Genuine BMW - BMW

Connector for radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
38164
Mfg#:
17117548104
In Stock
7% off MSRP

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

$27.99

This product was last offered at the strikethrough price on
07-06-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Hose

ES#4338944 - 64216951946 - Radiator Return Hose - Febi - BMW

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

Brand:
Febi - Corporate Logo
ES#:
4338944
Mfg#:
64216951946
In Stock at Vendor
$42.99

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator drain plug

ES#38119 - 17117529497 - Radiator drain plug - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
38119
Mfg#:
17117529497
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2597712 - 11537558522KT - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with primary cooling system hoses and accessory belt - Assembled By ECS - BMW

A more advanced refresh kit - with primary cooling system hoses and accessory belt 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597712
Mfg#:
11537558522KT
Back Ordered
ON SALE! SAVE 19%
$830.99

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

$671.29 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 2

ES#4772370 - 11537558523KT - ECS Cooling System Refresh Kit - Level 2 - Assembled By ECS - BMW

10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4772370
Mfg#:
11537558523KT
Back Ordered
Auto Notify
ON SALE! SAVE 19%
$829.99

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

$671.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Silicone Coolant Pipe Repair Kit

ES#3552873 - 11537516414 - Silicone Coolant Pipe Repair Kit - Attached to the water pump inlet - URO Premium - BMW

Attached to the water pump inlet 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
3552873
Mfg#:
11537516414
Back Ordered
Auto Notify
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#25105 - 11537545278 - O-Ring - Seals your cooling system - Genuine BMW - BMW

Seals your cooling system Found at the flange end of the upper thermostat hose

Brand:
Genuine BMW - Corporate Logo
ES#:
25105
Mfg#:
11537545278
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Hose With Gasket - Water Pump To Engine Inlet

ES#4689906 - 11537584630r - Water Hose With Gasket - Water Pump To Engine Inlet - Prevents leaks and comebacks from reusing old connectors and o-rings. - Rein - BMW

Prevents leaks and comebacks from reusing old connectors and o-rings. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4689906
Mfg#:
11537584630R
Back Ordered
$40.99 USD
Free Shipping
on orders $49 and up

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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
Ships in 5 Business Days
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

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