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BMW M3 Engine Cooling Parts

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Thermostat - 79 degrees C

ES#25204 - 11537836155 - Thermostat - 79 degrees C - Includes sealing gasket - Genuine BMW - BMW

Includes sealing gasket

Brand:
Genuine BMW - Corporate Logo
ES#:
25204
Mfg#:
11537836155
Ships in 1-2 days
21% off MSRP

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

$162.66

This product was last offered at the strikethrough price on
09-05-2026

$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514566
Mfg#:
20132
In Stock
ON SALE! SAVE 21%
$11.99

This product was last offered at the strikethrough price on
08-31-2026

$9.50 USD
Free Shipping
on orders $49 and up

Universal Oil Cooler Black - 10 Row

ES#2764962 - MM0C10BK - Universal Oil Cooler Black - 10 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#:
2764962
Mfg#:
MM0C10BK
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#24459 - 11517840403 - Water Pump Pulley - Should be replaced each time with the water pump - Genuine BMW - BMW

Should be replaced each time with the water pump

Brand:
Genuine BMW - Corporate Logo
ES#:
24459
Mfg#:
11517840403
Ships in 1-2 days
$208.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose

ES#38261 - 17122283591 - Breather Hose - Runs from the expansion tank to the thermostat hose - Genuine BMW - BMW

Runs from the expansion tank to the thermostat hose

Brand:
Genuine BMW - Corporate Logo
ES#:
38261
Mfg#:
17122283591
Ships in 1-2 days
7% off MSRP

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

$60.99

This product was last offered at the strikethrough price on
09-05-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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.

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

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps.

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator

ES#2070637 - 17102228941 - E46 Radiator - Aftermarket radiator for your E46 M3 - Nissens - BMW

Aftermarket radiator for your E46 M3 We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2070637
Mfg#:
17102228941
Special Order: No Guaranteed ETA
$619.99 USD
This product is lifetime replacement eligible Lifetime Replacement

E46 Pipe

ES#25171 - 11537830714 - E46 Pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
25171
Mfg#:
11537830714
Ships in 1-2 days
1% off MSRP

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

$155.99

This product was last offered at the strikethrough price on
09-05-2026

$154.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2497359 - 17127510952KT4 - Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring high quality aftermarket contents - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring high quality aftermarket contents 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2497359
Mfg#:
17127510952KT4
Ships in 1 Business Day
ON SALE!
$664.99

This product was last offered at the strikethrough price on
07-16-2026

$619.41 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Charge Air Cooler Water Pump

ES#2859426 - 11518600442 - Charge Air Cooler Water Pump - Coolant pump for the charge air cooling system. - Genuine BMW - BMW

Coolant pump for the charge air cooling system.

Brand:
Genuine BMW - Corporate Logo
ES#:
2859426
Mfg#:
11518600442
In Stock
ON SALE! SAVE 10%
$343.99

This product was last offered at the strikethrough price on
06-08-2026

$308.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#24449 - 11517831099 - Water Pump Gasket - Steel water pump gasket for your Z3 / M3 - Genuine BMW - BMW

Steel water pump gasket for your Z3 / M3

Brand:
Genuine BMW - Corporate Logo
ES#:
24449
Mfg#:
11517831099
In Stock
14% off MSRP

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

$41.99

This product was last offered at the strikethrough price on
09-05-2026

$36.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Lower Stone Chip Guard

ES#4308602 - 17119882366 - Radiator Lower Stone Chip Guard - Protects the radiator from stray road debris - Genuine BMW - BMW

Protects the radiator from stray road debris

Brand:
Genuine BMW - Corporate Logo
ES#:
4308602
Mfg#:
17119882366
Ships in 1-2 days
4% off MSRP

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

$106.29

This product was last offered at the strikethrough price on
09-05-2026

$102.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Fan Shroud

ES#37980 - 17112228943 - E46 M3 Fan Shroud - Replacement radiator fan shroud - Genuine BMW - BMW

Replacement radiator fan shroud

Brand:
Genuine BMW - Corporate Logo
ES#:
37980
Mfg#:
17112228943
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.

$156.99

This product was last offered at the strikethrough price on
09-05-2026

$152.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Pulley Kit

ES#2718229 - 002778ECS01AKT - Aluminum Water Pump Pulley Kit - Includes belt and hardware - Assembled By ECS - BMW

Includes belt and hardware 10X Entries Into Our F80 M3 Sweepstakes
A "bolt on and go" answer to a weak, unattractive water pump pulley

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718229
Mfg#:
002778ECS01AKT
Ships on Dec 18, 2026
Auto Notify
$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#25105 - 11537545278 - O-Ring - Seals your cooling system - Genuine BMW - BMW

Seals your cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
25105
Mfg#:
11537545278
In Stock
$8.99 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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