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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Engine Cooling Parts

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ECS Cooling System Refresh Kit - Level 2

ES#263517 - ECSE461711-2 - ECS Cooling System Refresh Kit - Level 2 - A more advanced kit that includes belt service components - featuring OEM contents - Genuine BMW - BMW

A more advanced kit that includes belt service components - featuring OEM contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
263517
Mfg#:
ECSE461711-2
Ships in 3 Business Days
$1091.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 2

ES#263522 - ECSE461711-2 - ECS Cooling System Refresh Kit - Level 2 - A more advanced cooling refresh kit - with OEM components - Genuine BMW - BMW

A more advanced cooling refresh kit - with OEM components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
263522
Mfg#:
ECSE461711-2
Ships in 3 Business Days
$1081.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump Pulley

ES#3499769 - 11511436590 - Water Pump Pulley - A common failing piece due to the plastic design. - Rein - BMW

A common failing piece due to the plastic design. 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#:
3499769
Mfg#:
11511436590
Ships in 4 Business Days
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Hose

ES#2622959 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Rein - BMW

Connects the Expansion Tank to the Water Pipe 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#:
2622959
Mfg#:
11531436410
In Stock
$17.99

This product was last offered at the strikethrough price on
02-23-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3

ES#3478430 - 17119071519gKT - ECS Cooling System Refresh Kit - Level 3 - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart water pump - Assembled By ECS - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Manual transmission vehicles produced up 10/1998 -

Brand:
Assembled By ECS - Corporate Logo
ES#:
3478430
Mfg#:
17119071519GKT
Ships in 6 Business Days
ON SALE!
$1083.99

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

$1064.33 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 3 - Without Belts

ES#4376313 - 17119071519RKT - ECS Cooling System Refresh Kit - Level 3 - Without Belts - Assembled By ECS - BMW

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#:
4376313
Mfg#:
17119071519RKT
Ships in 6 Business Days
ON SALE!
$1061.99

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

$1043.66 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Universal 12" Electric Fan - Black

ES#4147305 - 30102029 - Universal 12" Electric Fan - Black - 1328 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1328 CFM. High performance puller fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147305
Mfg#:
30102029
In Stock at Vendor
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2813461 - 11521719269 - Radiator Fan Clutch - Common source of engine overheating - Hamburg Tech - BMW

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:
Hamburg Tech - Corporate Logo
ES#:
2813461
Mfg#:
11521719269
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit - Black

ES#2764964 - MMHOSEE3692BK - Silicone Radiator Hose Kit - Black - Stronger and better looking than OEM hoses - Mishimoto - BMW

Stronger and better looking than OEM hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764964
Mfg#:
MMHOSEE3692BK
In Stock
$110.99

This product was last offered at the strikethrough price on
05-08-2026

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Pulley Kit - With Belt

ES#2731606 - 001977ECS01KT - Aluminum Water Pump Pulley Kit - With Belt - Includes durable ECS Aluminum Water Pump Pulley in black, four retaining bolts and a Continental water pump belt - Assembled By ECS - BMW

Includes durable ECS Aluminum Water Pump Pulley in black, four retaining bolts and a Continental water pump belt 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#:
2731606
Mfg#:
001977ECS01KT
Ships in 6 Business Days
ON SALE!
$132.99

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

$127.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Fan Shroud Kit

ES#3137376 - MMFSE4699 - Performance Aluminum Fan Shroud Kit - Aluminum fan shroud with 16" slim electric fan - Mishimoto - BMW

Aluminum fan shroud with 16" slim electric fan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
3137376
Mfg#:
MMFSE4699
In Stock at Vendor
9% off MSRP

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

$374.00

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

$339.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Auxiliary Pusher Fan Assembly - With Frame

ES#4023569 - 64546988913 - E46 Auxiliary Pusher Fan Assembly - With Frame - Cooling fan mounted in front of the radiator - URO - BMW

Cooling fan mounted in front of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4023569
Mfg#:
64546988913
Ships in 2 Business Days
$202.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147274 - 30100375 - Universal 12" Electric Fan - Black - 861 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

861 CFM. High performance puller fan with straight blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147274
Mfg#:
30100375
In Stock
13% off MSRP

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

$114.99

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

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW S54 Swap Race-Spec Oil Cooler - E36/E46

ES#4668279 - 8240 - BMW S54 Swap Race-Spec Oil Cooler - E36/E46 - Cooling for your S54 Swap! - CSF - BMW

Cooling for your S54 Swap! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
4668279
Mfg#:
8240
In Stock
$519.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Return Hose

ES#4818535 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Bremmen Parts - BMW

Connects the Expansion Tank to the Water Pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818535
Mfg#:
11531436410
Ships on Sep 23, 2026
Auto Notify
ON SALE! SAVE 18%
$27.99

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

$22.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Universal Oil Cooler - 19 Row

ES#2855412 - MM0C-19 - Replacement 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

Brand:
Mishimoto - Corporate Logo
ES#:
2855412
Mfg#:
MM0C-19
In Stock
$218.99

This product was last offered at the strikethrough price on
05-06-2026

$196.99 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.

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