Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E82 Engine Thermostat Parts

Sort By
Filter By
Return to Top

Water Pump And Thermostat Kit

ES#2777338 - 11517586925KT5 - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - BMW
ECS Tuning recommends this product.

Includes everything you need to replace your water pump and thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777338
Mfg#:
11517586925KT5
In Stock
ON SALE! SAVE 25%
$424.99

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

$318.86 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Ultimate Water Pump And Thermostat Kit

ES#3604207 - 11517632426KT10 - Ultimate Water Pump And Thermostat Kit - Replace your water pump & add strength to your cooling system! - Assembled By ECS - BMW
ECS Tuning recommends this product.

Replace your water pump & add strength to your cooling system! 10X Entries For Our 25th Anniversary Sweepstakes!
Includes ECS billet and silicone hoses and Redline Water Wetter

Brand:
Assembled By ECS - Corporate Logo
ES#:
3604207
Mfg#:
11517632426KT10
In Stock
ON SALE! SAVE 24%
$800.53

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

$607.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Installation Kit with Thermostat

It's no secret that modern turbocharged BMW engines run hot. Whether you're turning laps at the track or sitting in summer traffic, high oil temperatures are the enemy of engine longevity and performance. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481206
Mfg#:
OTN54.T85KT2
Ships in 1-2 days
ON SALE!
$390.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mosselman Billet Oil Thermostat With Installation Kit

ES#4772311 - otn54.t85KT - Mosselman Billet Oil Thermostat With Installation Kit - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4772311
Mfg#:
OTN54.T85KT
Ships in 1-2 days
$433.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

N54 Performance Silicone Radiator Hose Kit - With OE Connectors

ES#4707593 - 008640LA02 - N54 Performance Silicone Radiator Hose Kit - With OE Connectors - Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps and pre-installed factory style connectors. - ECS - BMW

Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps and pre-installed factory style connectors. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4707593
Mfg#:
008640LA02
In Stock
ON SALE! SAVE 20%
$189.99

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

$151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4487843 - 11537549476 - Thermostat - Replaces failed thermostat or as preventative maintenance for your cooling system - Bremmen Parts - BMW

Replaces failed thermostat or as preventative maintenance for your cooling system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4487843
Mfg#:
11537549476
In Stock
ON SALE! SAVE 18%
$84.99

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

$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Upgrade Water Pump And Thermostat Kit

ES#4020057 - 11517632426KT11 - Aluminum Upgrade Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat. Featuring Pierburg Full Aluminum water pump and thermostat. - Assembled By ECS - BMW
ECS Tuning recommends this product.

Includes everything you need to replace your water pump and thermostat. Featuring Pierburg Full Aluminum water pump and thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4020057
Mfg#:
11517632426KT11
In Stock
ON SALE! SAVE 14%
$743.99

This product was last offered at the strikethrough price on
04-01-2026

$640.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Mosselman Billet Oil Thermostat - N54 & E8x E9x N55

ES#4446095 - OTN54.T85 - Mosselman Billet Oil Thermostat - N54 & E8x E9x N55 - The MSL thermostat ensures a cooler oil temperature which will result in more stable performance - Mosselman Turbosystems - BMW

The MSL thermostat ensures a cooler oil temperature which will result in more stable performance

Brand:
Mosselman Turbosystems - Corporate Logo
ES#:
4446095
Mfg#:
OTN54.T85
Ships in 1-2 days
$379.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2562599 - 11537549476 - Thermostat - Restore proper function to your cooling system - Mahle-Behr - BMW
ECS Tuning recommends this product.

Restore proper function to your cooling system

Brand:
Mahle-Behr - Corporate Logo
ES#:
2562599
Mfg#:
11537549476
In Stock at Vendor
$135.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N52 Exact-Fit Silicone Radiator Hoses

ES#4877083 - 008641LA03 - N52 Exact-Fit Silicone Radiator Hoses - Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation! - ECS - BMW
ECS Tuning recommends this product.

Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation! 10X Entries For Our 25th Anniversary Sweepstakes!

For Vehicles With Engine Code N52B30 (Non-SULEV w/o Auxiliary Heating)

Brand:
ECS - Corporate Logo
ES#:
4877083
Mfg#:
008641LA03
In Stock
ON SALE! SAVE 10%
$130.99

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

$117.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Water Pump And Thermostat Kit

ES#2804281 - 11517632426KT5 - Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat - Assembled By ECS - BMW

Includes a 74c race thermostat 10X Entries For Our 25th Anniversary Sweepstakes!
Reuses factory thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804281
Mfg#:
11517632426KT5
In Stock
ON SALE! SAVE 20%
$514.99

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

$410.38 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#2681810 - 11537601158 - Thermostat - Restore proper function to your cooling system - Wahler - BMW
ECS Tuning recommends this product.

Restore proper function to your cooling system

Brand:
Wahler - Corporate Logo
ES#:
2681810
Mfg#:
11537601158
Ships in 1-2 days
$121.98

This product was last offered at the strikethrough price on
06-08-2026

$100.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2142870 - 11537549476 - Thermostat - Restore proper function to your cooling system - Wahler - BMW

Restore proper function to your cooling system

Brand:
Wahler - Corporate Logo
ES#:
2142870
Mfg#:
11537549476
In Stock
ON SALE!
$97.91

This product was last offered at the strikethrough price on
03-25-2026

$91.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat

ES#4820921 - 11517586925KT - Water Pump And Thermostat - Featuring Hamburg Technic Coolant Pump & Thermostat with hardware - Hamburg Tech - BMW

Featuring Hamburg Technic Coolant Pump & Thermostat with hardware We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4820921
Mfg#:
11517586925KT
In Stock
$339.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4017637 - 11537549476 - Thermostat - Restore proper function to your cooling system - URO - BMW

Restore proper function to your cooling system 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4017637
Mfg#:
11537549476
In Stock
$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4760002 - 11537601158 - Thermostat - Restore proper function to your cooling system - Bremmen Parts - BMW

Restore proper function to your cooling system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4760002
Mfg#:
11537601158
In Stock
ON SALE! SAVE 20%
$95.99

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

$76.70 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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 ECS Tuning is part of Enthusiast Auto Holdings