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BMW E90 Engine Cooling Parts

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Performance Water Pump & Thermostat Kit

ES#5425480 - 044952la05KT - Performance Water Pump & Thermostat Kit - Includes ECS N54 400W water pump conversion, 74*C thermostat, installation hardware and coolant! - Assembled By ECS - BMW

Includes ECS N54 400W water pump conversion, 74*C thermostat, installation hardware and coolant! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5425480
Mfg#:
044952LA05KT
In Stock
ON SALE! SAVE 18%
$599.99

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

$489.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2713411 - 11537601158KT1 - Thermostat Replacement Kit - Includes coolant - Assembled By ECS - BMW

Includes coolant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2713411
Mfg#:
11537601158KT1
In Stock
ON SALE! SAVE 24%
$106.99

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

$81.42 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Turbo Water Return Line - Front Turbo

ES#4689854 - 11537558900 - Turbo Water Return Line - Front Turbo - Rein OE quality turbo coolant hose - Rein - BMW

Rein OE quality turbo coolant hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4689854
Mfg#:
11537558900
In Stock
$60.99 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. 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

Engine Radiator - Automatic

ES#38161 - 17117547059 - Engine Radiator - Automatic - Keep your engine cooling properly - Genuine BMW - BMW

Keep your engine cooling properly

Brand:
Genuine BMW - Corporate Logo
ES#:
38161
Mfg#:
17117547059
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.

$526.99

This product was last offered at the strikethrough price on
10-24-2026

$482.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#38175 - 17117559273 - Radiator - For vehicles with manual transmission - Genuine BMW - BMW

For vehicles with manual transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
38175
Mfg#:
17117559273
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.

$526.99

This product was last offered at the strikethrough price on
10-24-2026

$482.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Kit

ES#2960121 - 11517838201kt2KT - Water Pump And Thermostat Kit - Includes German-made OE water pump and thermostat with everything you need to install - Assembled By ECS - BMW

Includes German-made OE water pump and thermostat with everything you need to install 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2960121
Mfg#:
11517838201KT2KT
In Stock
ON SALE!
$225.99

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

$218.73 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2739952 - 11510392553RKT2 - ECS Cooling System Refresh Kit - Level 3 - Everything you need to totally service your cooling system, including a radiator and belt service. Now Includes ECS Billet Aluminum Radiator Drain Plug! - Assembled By ECS - BMW

Everything you need to totally service your cooling system, including a radiator and belt service. Now Includes ECS Billet Aluminum Radiator Drain Plug! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739952
Mfg#:
11510392553RKT2
Ships in 1-2 days
ON SALE!
$1316.99

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

$1196.70 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#25121 - 11537549476 - Thermostat - Restore proper function to your cooling system - Genuine BMW - BMW

Restore proper function to your cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
25121
Mfg#:
11537549476
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.

$316.79

This product was last offered at the strikethrough price on
10-24-2026

$265.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Line Kit

ES#2966439 - 11537558900KT - Turbo Coolant Line Kit - Includes turbo coolant lines and 1 liter of coolant to make sure your turbos are getting the needed amount of cooling - Genuine BMW - BMW

Includes turbo coolant lines and 1 liter of coolant to make sure your turbos are getting the needed amount of cooling

Brand:
Genuine BMW - Corporate Logo
ES#:
2966439
Mfg#:
11537558900KT
In Stock
$593.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Hose - Upper

ES#4883853 - 17127531579 - Radiator Hose - Upper - Replace split hoses - Bremmen Parts - BMW

Replace split hoses 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883853
Mfg#:
17127531579
In Stock
ON SALE! SAVE 28%
$42.83

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

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Hose

ES#4818584 - 17127618510 - Expansion Tank Vent Hose - Connects to the top of the expansion tank and the upper radiator hose - Bremmen Parts - BMW

Connects to the top of the expansion tank and the upper radiator hose 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818584
Mfg#:
17127618510
In Stock
ON SALE! SAVE 19%
$36.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Return Line - Rear Turbo

ES#4509082 - 11537558902 - Turbo Water Return Line - Rear Turbo - Carries coolant away from the rear turbocharger - Rein - BMW

Carries coolant away from the rear turbocharger 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! For E9X N54 LHD only! Will not fit Euro RHD models.

Brand:
Rein - Corporate Logo
ES#:
4509082
Mfg#:
11537558902
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal Electric Fan Harness with Relay - 185 Degree

ES#4147266 - 185FH - Spal Electric Fan Harness with Relay - 185 Degree - Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit - Spal - Audi BMW MINI

Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit

Brand:
Spal - Corporate Logo
ES#:
4147266
Mfg#:
185FH
Back Ordered
11% off MSRP

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

$193.99

This product was last offered at the strikethrough price on
10-24-2026

$171.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2777663 - 17137607482KT4 - ECS Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start - Assembled By ECS - BMW

Stop your cooling problems before they start 10X Entries Into Our F80 M3 Sweepstakes
For manual transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777663
Mfg#:
17137607482KT4
In Stock
ON SALE! SAVE 24%
$580.17

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

$441.68 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

N52 Exact-Fit Silicone Radiator Hoses

ES#4830789 - 008641LA02 - 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 Into Our F80 M3 Sweepstakes
For SULEV Vehicles with Engine Code N51B30 & Auxiliary Heating (S536A)

Brand:
ECS - Corporate Logo
ES#:
4830789
Mfg#:
008641LA02
In Stock
ON SALE! SAVE 20%
$130.99

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

$104.79 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.

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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