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BMW M3 Engine Cooling Parts

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E9X M3 Radiator Hose - Upper

ES#3499718 - 11537838214 - E9X M3 Radiator Hose - Upper - Connects the radiator to the thermostat housing - Rein - BMW

Connects the radiator to the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499718
Mfg#:
11537838214
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Coolant System Tester

ES#199581 - 83300494417 - Universal Coolant System Tester - Checks the engine cooling system for water tightness to ensure there are no leaks. - Genuine BMW - BMW MINI

Checks the engine cooling system for water tightness to ensure there are no leaks.

Brand:
Genuine BMW - Corporate Logo
ES#:
199581
Mfg#:
83300494417
Ships in 4 Business Days
$796.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Carbon Cooling Shroud Cover - Gloss

Replaces the factory metal crosslink support, adding carbon styling to your engine bay

Brand:
Karbonius Composites - Corporate Logo
ES#:
5376222
Mfg#:
G8XCS01-CF-2
Ships in 4 Business Days
$795.00 USD
Free Shipping
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 For Our 25th Anniversary 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

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
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

Cooling System Refresh Kit - Level 2

ES#2707752 - 17127510952KT9 - Cooling System Refresh Kit - Level 2 - A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring high quality aftermarket contents - Assembled By ECS - BMW

A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring high quality aftermarket contents 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2707752
Mfg#:
17127510952KT9
Ships on Dec 7, 2026
Auto Notify
ON SALE! SAVE 13%
$860.99

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

$752.62 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Hose - Lower

ES#25172 - 11537830715 - Radiator Hose - Lower - Lower radiator hose with plastic securing flange - Genuine BMW - BMW

Lower radiator hose with plastic securing flange

Brand:
Genuine BMW - Corporate Logo
ES#:
25172
Mfg#:
11537830715
Ships in 4 Business Days
$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Thermostat

ES#4760000 - 13541730682 - Auxiliary Thermostat - Thermostat that controls water flow temperature to the throttle body - Bremmen Parts - BMW

Thermostat that controls water flow temperature to the throttle body 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4760000
Mfg#:
13541730682
Ships on Sep 22, 2026
Auto Notify
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4316486 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Bavarian Autosport - BMW

Monitors coolant / oil temperature 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316486
Mfg#:
13621433076
In Stock
ON SALE! SAVE 20%
$14.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#24512 - 11527831619 - Radiator Fan Clutch - OEM replacement - Genuine BMW - BMW

OEM replacement

Brand:
Genuine BMW - Corporate Logo
ES#:
24512
Mfg#:
11527831619
Ships in 4 Business Days
3% off MSRP

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

$401.99

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

$388.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Oil Cooler - BMW G8X M3 M4

ES#4669313 - MM0C-G80-21SL - Performance Oil Cooler - BMW G8X M3 M4 - Keep your 2021+ BMW M3/M4 cool and collected with the Mishimoto performance oil cooler! - Mishimoto - BMW

Keep your 2021+ BMW M3/M4 cool and collected with the Mishimoto performance oil cooler!

Brand:
Mishimoto - Corporate Logo
ES#:
4669313
Mfg#:
MM0C-G80-21SL
In Stock at Vendor
$776.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Maintenance Kit - Level 3

ES#2636027 - 61311384739KT4 - Cooling Maintenance Kit - Level 3 - The ultimate cooling refresh kit - featuring a Geba water pump with metal impeller - Assembled By ECS - BMW

The ultimate cooling refresh kit - featuring a Geba water pump with metal impeller 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 06/1995

Brand:
Assembled By ECS - Corporate Logo
ES#:
2636027
Mfg#:
61311384739KT4
In Stock
ON SALE! SAVE 16%
$921.99

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

$771.53 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

New Water Pump

ES#2840979 - 11517838201 - New Water Pump - New, not remanufactured! How many miles do you have on your original pump? Made in Germany! - Geba - BMW

New, not remanufactured! How many miles do you have on your original pump? Made in Germany!

Brand:
Geba - Corporate Logo
ES#:
2840979
Mfg#:
11517838201
Ships in 2 Business Days
$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

Expansion Tank

ES#38028 - 17112283500 - Expansion Tank - Stop your coolant leak with a new expansion tank - Genuine BMW - BMW

Stop your coolant leak with a new expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
38028
Mfg#:
17112283500
Ships in 3 Business 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.

$266.99

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

$251.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E30 M3 Thermostat

ES#24760 - 11531315537 - E30 M3 Thermostat - 80CEL - Genuine BMW - BMW

80CEL

Brand:
Genuine BMW - Corporate Logo
ES#:
24760
Mfg#:
11531315537
Back Ordered
69% off MSRP

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

$619.15

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

$188.91 USD
Free Shipping
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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