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BMW E46 Engine Cooling Parts

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Aluminum Water Pump Pulley

ES#2992240 - 002778ECS01 - Aluminum Water Pump Pulley - Finally, a durable water pump pulley that won't break! - ECS - BMW

Finally, a durable water pump pulley that won't break! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2992240
Mfg#:
002778ECS01
Ships on Dec 18, 2026
ON SALE! SAVE 10%
$100.99

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

$90.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499769
Mfg#:
11511436590
In Stock
$50.99

This product was last offered at the strikethrough price on
10-22-2026

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Connection Pipe

ES#4669253 - 17111707817 - Water Connection Pipe - Connects the radiator to the expansion tank - Bavarian Autosport - BMW

Connects the radiator to the expansion tank 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4669253
Mfg#:
17111707817
In Stock
ON SALE! SAVE 20%
$18.99

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

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2534571 - 11527831619 - Radiator Fan Clutch - Direct replacement - URO - BMW

Direct replacement 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534571
Mfg#:
11527831619
In Stock
$71.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#3247470 - 30102048 - Universal 16" Electric Fan - Black - 1959 cfm. High performance pusher fan with curved blades. - Spal - Audi BMW MINI

1959 cfm. High performance pusher fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
3247470
Mfg#:
30102048
In Stock at Vendor
$207.99 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 ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart water pump 10X Entries Into Our F80 M3 Sweepstakes
Manual transmission vehicles produced up 10/1998 -
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
3478430
Mfg#:
17119071519GKT
Ships in 1 Business Day
ON SALE!
$1091.99

This product was last offered at the strikethrough price on
10-01-2026

$1036.48 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 M3 Direct-Fit Oil Cooler Kit

ES#2785165 - MM0CE4601 - E46 M3 Direct-Fit Oil Cooler Kit - Bolt on oil cooler for increased engine oil cooler performance - Mishimoto - BMW

Bolt on oil cooler for increased engine oil cooler performance Reduces oil temperatures by 30°F with a 10 psi reduction in pressure loss

Brand:
Mishimoto - Corporate Logo
ES#:
2785165
Mfg#:
MM0CE4601
In Stock at Vendor
$1032.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Long-Reach 32mm Open End Fan Clutch Wrench

ES#2777702 - 007701SCH01A - Long-Reach 32mm Open End Fan Clutch Wrench - Specifically designed for removal of BMW fan clutch nuts to make your job easier - Schwaben - BMW Volkswagen
ECS Tuning recommends this product.

Specifically designed for removal of BMW fan clutch nuts to make your job easier 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2777702
Mfg#:
007701SCH01A
In Stock
ON SALE! SAVE 25%
$42.99

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

$32.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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

10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4376313
Mfg#:
17119071519RKT
In Stock
ON SALE!
$1067.99

This product was last offered at the strikethrough price on
10-01-2026

$1013.10 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump

ES#4818533 - 11517838159 - Water Pump - Stop your cooling problems before they start! - Bremmen Parts - BMW

Stop your cooling problems before they start! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818533
Mfg#:
11517838159
Ships on Jan 11, 2027
ON SALE! SAVE 20%
$138.99

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

$110.97 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

Brand:
Mishimoto - Corporate Logo
ES#:
2855412
Mfg#:
MM0C-19
Ships in 3 Business Days
$218.99

This product was last offered at the strikethrough price on
09-30-2026

$196.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Connector

ES#4877194 - 11537545890PRMK - Coolant Hose Connector - Metal Connector vs OEM Plastic - URO Premium - BMW

Metal Connector vs OEM Plastic 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO Premium - Corporate Logo
ES#:
4877194
Mfg#:
11537545890PRMK
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

2 Pin Connector

ES#4772597 - 61132359999 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
In Stock
ON SALE! SAVE 25%
$10.99

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

$8.24 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 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

Overflow Bottle Hose - Bottom

ES#2622995 - 11531740649 - Overflow Bottle Hose - Bottom - Hose that runs from the bottom of the overflow botle to the water pipe - Rein - BMW

Hose that runs from the bottom of the overflow botle to the water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622995
Mfg#:
11531740649
In Stock
$30.99

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

$18.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Coolant Expansion Tank

ES#5396264 - 17112283344 - E46 M3 Coolant Expansion Tank - Replacement plastic expansion tank for BMW M3, includes sealing cap - URO - BMW

Replacement plastic expansion tank for BMW M3, includes sealing cap 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5396264
Mfg#:
17112283344
Ships in 1 Business Day
$155.99 USD
Free Shipping
on orders $49 and up

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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