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BMW E90 Engine Cooling Parts

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Temperature Sensor

ES#34326 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Genuine BMW - BMW

Monitors coolant / oil temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34326
Mfg#:
13621433076
In Stock
16% off MSRP

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

$66.05

This product was last offered at the strikethrough price on
01-08-2026

$55.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4817856
Mfg#:
N54N55LTKT
Back Ordered
Auto Notify
ON SALE! SAVE 20%
$152.99

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

$122.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Kit

ES#3418907 - 11517801063KT - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat - With upgraded water pump with metal impeller. - Assembled By ECS - BMW

Includes everything you need to replace your water pump and thermostat - With upgraded water pump with metal impeller. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3418907
Mfg#:
11517801063KT
In Stock
ON SALE!
$187.99

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

$176.53 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Upper Radiator Hose

ES#38422 - 17127540127 - Upper Radiator Hose - The hose that comes off of the top outlet on the radiator - Genuine BMW - BMW

The hose that comes off of the top outlet on the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38422
Mfg#:
17127540127
In Stock
8% off MSRP

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

$99.65

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

$91.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Housing Gasket Kit

ES#3575854 - 11428637820KT - Oil Cooler Housing Gasket Kit - Includes both oil filter housing gaskets and a Liqui Moly oil change kit - Assembled By ECS - BMW

Includes both oil filter housing gaskets and a Liqui Moly oil change kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3575854
Mfg#:
11428637820KT
In Stock
$162.99

This product was last offered at the strikethrough price on
03-10-2026

$152.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Environmental Air Catalyst (EAC) Sensor

ES#4781504 - 17117537292R - Environmental Air Catalyst (EAC) Sensor - Found on the back side of the radiator - URO - BMW

Found on the back side of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For SULEV Vehicles Equipped with the N51 Engine Only

Brand:
URO - Corporate Logo
ES#:
4781504
Mfg#:
17117537292R
In Stock
$271.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Gasket

ES#2954054 - 11428637820 - Oil Cooler Gasket - Common cause of oil leaks can be easily repaired - Elring - BMW

Common cause of oil leaks can be easily repaired affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2954054
Mfg#:
11428637820
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

ECS N54 Silicone Coolant Outlet Hose

ES#3552831 - 025216ECS01 - ECS N54 Silicone Coolant Outlet Hose - Retains OEM fitment with superior looks and durability! - ECS - BMW

Retains OEM fitment with superior looks and durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3552831
Mfg#:
025216ECS01
In Stock
ON SALE! SAVE 30%
$78.99

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

$55.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9x M3 Race-Spec Oil Cooler

ES#2992674 - 8025 - E9x M3 Race-Spec Oil Cooler - Featuring a fully TIG-welded design with a cast endtank. The most reliable, durable, best fitting E9X M3 oil cooler on the market - no trimming of shroud required. - CSF - BMW

Featuring a fully TIG-welded design with a cast endtank. The most reliable, durable, best fitting E9X M3 oil cooler on the market - no trimming of shroud required. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
2992674
Mfg#:
8025
In Stock
$599.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Radiator - Automatic - N51

ES#38142 - 17117537292 - Engine Radiator - Automatic - N51 - For vehicles with N51 engine (low emissions) - Genuine BMW - BMW

For vehicles with N51 engine (low emissions) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with N51 engine
For vehicles with automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
38142
Mfg#:
17117537292
In Stock
3% off MSRP

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

$889.99

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

$864.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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

$96.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#2755551 - 17117639020 - Coolant Expansion Tank Cap - Keep that coolant expansion tank sealed - Genuine BMW - BMW

Keep that coolant expansion tank sealed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2755551
Mfg#:
17117639020
In Stock
21% off MSRP

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

$34.96

This product was last offered at the strikethrough price on
02-24-2026

$27.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Gasket

ES#2817596 - 11428637820 - Oil Cooler Gasket - Common cause of oil leaks can be easily repaired - Genuine BMW - BMW

Common cause of oil leaks can be easily repaired affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2817596
Mfg#:
11428637820
In Stock
16% off MSRP

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

$47.80

This product was last offered at the strikethrough price on
01-08-2026

$39.95 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4760002
Mfg#:
11537601158
Ships on Jul 7, 2026
Auto Notify
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

Water Pump

ES#4349809 - 11517588885 - Water Pump - N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. - Hamburg Tech - BMW

N54 and N55 engines are prone to water pump failure - replace every 60,000 miles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4349809
Mfg#:
11517588885
In Stock
$405.00 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.

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