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 Thermostat Parts

Sort By
Filter By
Return to Top

Low Temp Oil Thermostat Kit - N54/N55

ES#4428270 - 090743ECS09 - Low Temp Oil Thermostat Kit - N54/N55 - Control those oil temps with a new thermostat! - ECS - BMW

Control those oil temps with a new thermostat! 10X Entries Into Our F80 M3 Sweepstakes
For 2008 and up models only

Brand:
ECS - Corporate Logo
ES#:
4428270
Mfg#:
090743ECS09
In Stock
ON SALE! SAVE 25%
$79.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 Into Our F80 M3 Sweepstakes
For vehicles with plastic thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
4172080
Mfg#:
11517586925KT15
In Stock
ON SALE! SAVE 16%
$892.99

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

$747.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#2079676 - 11537601158 - Thermostat - Restore proper function to your cooling system - Genuine BMW - BMW

Restore proper function to your cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
2079676
Mfg#:
11537601158
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.

$325.99

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

$297.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2718468 - 11537836155KT - Thermostat Replacement Kit - Includes thermostat with o-ring, and coolant - Genuine BMW - BMW

Includes thermostat with o-ring, and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2718468
Mfg#:
11537836155KT
Ships in 1-2 days
$176.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2582085 - N524TSTKT1 - Thermostat Replacement Kit - Includes mounting hardware and coolant - Wahler - BMW

Includes mounting hardware and coolant

Brand:
Wahler - Corporate Logo
ES#:
2582085
Mfg#:
N524TSTKT1
In Stock
$111.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Ultimate Performance Water Pump And Thermostat Kit

ES#4172081 - 11517586925KT16 - Ultimate Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat, water pump, and ECS silicone hoses - Assembled By ECS - BMW

Includes a 74c race thermostat, water pump, and ECS silicone hoses 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with plastic thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
4172081
Mfg#:
11517586925KT16
Ships in 1-2 days
ON SALE!
$1128.99

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

$1128.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Performance Water Pump And Thermostat Kit

ES#2804283 - 11517586925KT6 - Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat - Featuring a Genuine BMW pump - Assembled By ECS - BMW

Includes a 74c race thermostat - Featuring a Genuine BMW pump 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with plastic thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804283
Mfg#:
11517586925KT6
Ships in 1-2 days
$920.99

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

$919.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

S65 Silicone Radiator Hoses

ES#4819358 - 008645LA01 - S65 Silicone Radiator Hoses - Retain OEM fitment with superior looks and durability! - ECS - BMW

Retain OEM fitment with superior looks and durability! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4819358
Mfg#:
008645LA01
In Stock
ON SALE! SAVE 15%
$97.99

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

$83.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 79 degrees C

ES#25204 - 11537836155 - Thermostat - 79 degrees C - Includes sealing gasket - Genuine BMW - BMW

Includes sealing gasket

Brand:
Genuine BMW - Corporate Logo
ES#:
25204
Mfg#:
11537836155
Ships in 1-2 days
21% off MSRP

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

$162.66

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

$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat with adapter

ES#24443 - 11517805811 - Thermostat with adapter - Includes gasket and O-rings - Genuine BMW - BMW

Includes gasket and O-rings

Brand:
Genuine BMW - Corporate Logo
ES#:
24443
Mfg#:
11517805811
Ships in 1-2 days
8% off MSRP

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

$120.99

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

$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2582080 - N524TSTKT - Thermostat Replacement Kit - Includes mounting hardware and coolant - Genuine BMW - BMW

Includes mounting hardware and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2582080
Mfg#:
N524TSTKT
In Stock
$298.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Performance Water Pump And Thermostat Kit

ES#2804557 - 11517586925KT9 - Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat - Featuring a Pierburg pump - Assembled By ECS - BMW

Includes a 74c race thermostat - Featuring a Pierburg pump 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with plastic thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804557
Mfg#:
11517586925KT9
In Stock
$677.99

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

$527.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

N54/N55 Low Temp Oil Thermostat Kit - 70c

ES#4817856 - n54n55ltKT - N54/N55 Low Temp Oil Thermostat Kit - 70c - New billet thermostat cover, hardware and gasket. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory. - Assembled By ECS - BMW

New billet thermostat cover, hardware and gasket. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4817856
Mfg#:
N54N55LTKT
Back Ordered
ON SALE! SAVE 18%
$152.99

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

$125.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#25219 - 11537838480 - Thermostat Housing - Housing that holds thermostat - Genuine BMW - BMW

Housing that holds thermostat

Brand:
Genuine BMW - Corporate Logo
ES#:
25219
Mfg#:
11537838480
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.

$248.99

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

$243.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2718469 - 11537836155KT1 - Thermostat Replacement Kit - Includes thermostat with o-ring, and coolant - Assembled By ECS - BMW

Includes thermostat with o-ring, and coolant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718469
Mfg#:
11537836155KT1
In Stock
ON SALE!
$99.99

This product was last offered at the strikethrough price on
06-16-2026

$94.69 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#4056509 - 11517805811KT - Thermostat Replacement Kit - Includes thermostat with o-ring, hardware, and coolant - Assembled By ECS - BMW

Includes thermostat with o-ring, hardware, and coolant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056509
Mfg#:
11517805811KT
In Stock
ON SALE! SAVE 20%
$83.99

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

$66.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

More About Engine Thermostat Parts

Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.

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