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BMW E90 Engine Cooling Parts

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Lower Coolant Hose Assembly

ES#38443 - 17127548224 - Lower Coolant Hose Assembly - Located across the front of the engine bay - Genuine BMW - BMW

Located across the front of the engine bay For automatic transmission models only

Brand:
Genuine BMW - Corporate Logo
ES#:
38443
Mfg#:
17127548224
In Stock
2% off MSRP

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

$161.99

This product was last offered at the strikethrough price on
07-20-2026

$158.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Cooling Fan - 850W

ES#1875587 - 17428508253 - Engine Cooling Fan - 850W - 850w - Genuine BMW - BMW

850w

Brand:
Genuine BMW - Corporate Logo
ES#:
1875587
Mfg#:
17428508253
Ships in 4 Business Days
ON SALE!
$1125.99

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

$1100.61 USD
This product is lifetime replacement eligible Lifetime 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 For Our 25th Anniversary 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

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 For Our 25th Anniversary 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

$439.93 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Heater Core Supply Hose

ES#178038 - 64216983858 - Heater Core Supply Hose - Supply hose from coolant flange to heater core - Genuine BMW - BMW

Supply hose from coolant flange to heater core

Brand:
Genuine BMW - Corporate Logo
ES#:
178038
Mfg#:
64216983858
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.

$77.69

This product was last offered at the strikethrough price on
07-15-2026

$70.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Return Line - Front Turbo

ES#4765875 - 11537558900 - Turbo Water Return Line - Front Turbo - Bremmen OE quality turbo coolant hose - Bremmen Parts - BMW

Bremmen OE quality turbo coolant hose 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4765875
Mfg#:
11537558900
In Stock
ON SALE! SAVE 20%
$67.99

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

$54.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HVAC Heater Core

ES#2136260 - 64119190595 - HVAC Heater Core - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2136260
Mfg#:
64119190595
Ships in 4 Business 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.

$167.99

This product was last offered at the strikethrough price on
07-20-2026

$153.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant return line

ES#4818578 - 17127548229 - Coolant return line - From thermostat to heater valve - Bremmen Parts - BMW

From thermostat to heater valve 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818578
Mfg#:
17127548229
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 20%
$98.99

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

$79.14 USD
Free Shipping
on orders $49 and up

ECS Cooling System Refresh Kit - Level 1

ES#2597786 - 11537549476RKT1 - ECS Cooling System Refresh Kit - Level 1 - An entry level cooling refresh kit - with high quality OEM & aftermarket components - Assembled By ECS - BMW

An entry level cooling refresh kit - with high quality OEM & aftermarket components 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597786
Mfg#:
11537549476RKT1
Back Ordered
Auto Notify
ON SALE! SAVE 24%
$704.77

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

$533.24 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Hose Gasket

ES#4727032 - 11537545302 - Radiator Hose Gasket - The gasket that seals the junction between the engine block and radiator hose - Elring - BMW

The gasket that seals the junction between the engine block and radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4727032
Mfg#:
11537545302
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Coolant Reservoir Cap - Anodized Blue

ES#4505866 - CO0LANTCAPBLUE - Billet Coolant Reservoir Cap - Anodized Blue - Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! - Vargas Turbo Technologies - BMW

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505866
Mfg#:
CO0LANTCAPBLUE
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Hose

ES#178032 - 64216951946 - Radiator Return Hose - Connects from the top side of the radiator to the expansion tank - Genuine BMW - BMW

Connects from the top side of the radiator to the expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
178032
Mfg#:
64216951946
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.

$62.99

This product was last offered at the strikethrough price on
07-20-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Concentrate - 1 Gallon

ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up

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 For Our 25th Anniversary 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

N54/N55 Low Temp Oil Thermostat Kit - 70c

ES#5456347 - 008731KT - N54/N55 Low Temp Oil Thermostat Kit - 70c - New thermostat and spring. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory. - Assembled By ECS - BMW

New thermostat and spring. Featuring a low temp thermostat - 40 degrees Celsius/ 72 degrees Fahrenheit lower than factory. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5456347
Mfg#:
008731KT
In Stock
ON SALE! SAVE 20%
$74.99

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

$59.99 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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