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BMW 328i Engine Cooling Parts

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Thermostat With Housing

ES#259571 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Mahle-Behr - BMW

A common item to crack causing leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
259571
Mfg#:
11537509227
Ships in 1 Business Day
$103.81 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2893822 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Meyle - BMW
ECS Tuning recommends this product.

Common source of engine overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2893822
Mfg#:
11527505302
Ships on Aug 3, 2026
Auto Notify
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#4316391 - 11517597715 - Water Pump - Externally mounted cooling system water pump - Pierburg - BMW
ECS Tuning recommends this product.

Externally mounted cooling system water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
4316391
Mfg#:
11517597715
In Stock at Vendor
$981.99

This product was last offered at the strikethrough price on
03-21-2026

$812.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump W/ Installation Kit

ES#5346992 - WPS0502 - Water Pump W/ Installation Kit - Includes a Water Pump & Bolts, Thermostat Assembly, Thermostat Hose w/ Aluminum Flange, Water Pump Hose, Lower Radiator Hose, and Water Pump to Thermostat Hose - Rein - BMW

Includes a Water Pump & Bolts, Thermostat Assembly, Thermostat Hose w/ Aluminum Flange, Water Pump Hose, Lower Radiator Hose, and Water Pump to Thermostat Hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rein - Corporate Logo
ES#:
5346992
Mfg#:
WPS0502
In Stock at Vendor
$811.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2682238 - 17137607482KT - ECS Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start using all OEM parts. - Genuine BMW - BMW

Stop your cooling problems before they start using all OEM parts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For automatic transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
2682238
Mfg#:
17137607482KT
Ships in 3 Business Days
$1653.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Return Hose

ES#24803 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Genuine BMW - BMW

Connects the Expansion Tank to the Water Pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24803
Mfg#:
11531436410
In Stock
$42.49 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Expansion Tank Replacement Kit

ES#2581926 - N524ECSTNKKT - Expansion Tank Replacement Kit - Includes everything you need to bolt on a brand new expansion tank - Assembled By ECS - BMW

Includes everything you need to bolt on a brand new expansion tank 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#:
2581926
Mfg#:
N524ECSTNKKT
In Stock
ON SALE! SAVE 36%
$166.99

This product was last offered at the strikethrough price on
04-03-2026

$107.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Aluminum Screw - Set

ES#2792710 - 11510392553 - Water Pump Aluminum Screw - Set - One time use! Don't forget to pick up a set for your water pump replacement! Made in Germany. - Rein - BMW
ECS Tuning recommends this product.

One time use! Don't forget to pick up a set for your water pump replacement! Made in Germany. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2792710
Mfg#:
11510392553
In Stock
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Lower

ES#24801 - 11531436408 - E46 Radiator Hose - Lower - A common source of cooling system failure - Genuine BMW - BMW

A common source of cooling system failure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24801
Mfg#:
11531436408
In Stock
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hose - Supply

ES#245548 - 64219178427 - Heater Hose - Supply - From the engine to the heater core - Genuine BMW - BMW

From the engine to the heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date from 03/2005

Brand:
Genuine BMW - Corporate Logo
ES#:
245548
Mfg#:
64219178427
Ships in 1-2 days
6% off MSRP

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

$77.99

This product was last offered at the strikethrough price on
02-18-2026

$72.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Service Kit

ES#4658947 - 11518635089-1 - Water Pump Service Kit - Everything to service your failing water pump in one kit! - Rein - BMW

Everything to service your failing water pump in one kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4658947
Mfg#:
11518635089-1
Ships in 4 Business Days
$777.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Hose - Supply

ES#4818662 - 64219178427 - Heater Hose - Supply - From the engine to the heater core - Bremmen Parts - BMW

From the engine to the heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with a production date from 03/2005

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818662
Mfg#:
64219178427
In Stock
ON SALE! SAVE 20%
$50.99

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

$40.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2598998 - 17117628057 - Radiator - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with M Sports package (P337A) & M Sport brakes (S2NHA). | Right

Brand:
Genuine BMW - Corporate Logo
ES#:
2598998
Mfg#:
17117628057
Ships in 3 Business Days
10% off MSRP

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

$351.99

This product was last offered at the strikethrough price on
06-03-2026

$317.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Mechanical Thermostat Conversion

ES#4709399 - 008785LA01T - M52TU/M54 Mechanical Thermostat Conversion - Upgrade from your all-in-one plastic thermostat assembly to a stout and reliable billet mechanical thermostat setup! - Turner Motorsport - BMW

Upgrade from your all-in-one plastic thermostat assembly to a stout and reliable billet mechanical thermostat setup! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4709399
Mfg#:
008785LA01T
Ships on Sep 22, 2026
ON SALE!
Starting at $306.77 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#3981213 - ECSe361153-3KT - Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start - featuring a Stewart High Performance Water Pump water pump and an aluminum thermostat housing - Assembled By ECS - BMW

Stop your cooling problems before they start - featuring a Stewart High Performance Water Pump water pump and an aluminum thermostat housing 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#:
3981213
Mfg#:
ECSE361153-3KT
Ships on Aug 10, 2026
Auto Notify
ON SALE!
$400.99

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

$381.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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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