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BMW M3 Performance Engine Cooling Parts

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Essentials Bundle - Cooling System

ES#5435258 - MMB-E46-001 - Essentials Bundle - Cooling System - An all-in-one cooling solution designed to replace the most common failure points in the E46 chassis. - Mishimoto - BMW

An all-in-one cooling solution designed to replace the most common failure points in the E46 chassis.

Brand:
Mishimoto - Corporate Logo
ES#:
5435258
Mfg#:
MMB-E46-001
Ships in 3 Business Days
$1108.99 USD

M50/M52/S52 Heavy Duty Aluminum Coolant Expansion Tank Kit

ES#4619758 - 008348la01bKT - M50/M52/S52 Heavy Duty Aluminum Coolant Expansion Tank Kit - As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! Direct replacement for expansion tank 17111723520. - Turner Motorsport - BMW
ECS Tuning recommends this product.

As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! Direct replacement for expansion tank 17111723520. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4619758
Mfg#:
008348LA01BKT
In Stock
ON SALE! SAVE 20%
$423.99

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

$339.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55 Aftercooler Cooling Kit

ES#4487399 - 15-012 - S55 Aftercooler Cooling Kit - Add carbon fiber styling and performance to your - Active Autowerke - BMW

Add carbon fiber styling and performance to your

Brand:
Active Autowerke - Corporate Logo
ES#:
4487399
Mfg#:
15-012
Ships in 3 Business Days
5% off MSRP

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

$2999.00

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

$2849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S65 Exact-Fit Silicone Radiator Hoses

ES#4900242 - 008645LA02 - S65 Exact-Fit Silicone Radiator Hoses - Retain OEM fitment with superior looks and durability! Pre-assembled with factory connectors for easy installation. - ECS - BMW

Retain OEM fitment with superior looks and durability! Pre-assembled with factory connectors for easy installation. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4900242
Mfg#:
008645LA02
In Stock
ON SALE!
$177.99

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

$172.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mounted Radiator BMW M2/M3/M4 S55

ES#4369258 - 400001003.FM - Front Mounted Radiator BMW M2/M3/M4 S55 - Reduce heat soak and improve engine performance with an upgraded radiator from Wagner Tuning - Wagner Tuning - BMW

Reduce heat soak and improve engine performance with an upgraded radiator from Wagner Tuning

Brand:
Wagner Tuning - Corporate Logo
ES#:
4369258
Mfg#:
400001003.FM
Ships on Aug 31, 2026
$1140.00 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Silicone Hose Kit

ES#3236075 - 003631ECS01KT - ECS Silicone Hose Kit - Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw - ECS - BMW

Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3236075
Mfg#:
003631ECS01KT
In Stock
ON SALE! SAVE 25%
$364.99

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

$273.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Concentrate - 1 Gallon

ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up

AFe POWER BladeRunner OER Series Radiator

ES#4852446 - 46-53241 - AFe POWER BladeRunner OER Series Radiator - Drop your corroding plastic radiator with this aluminum- core replacement! - AFE - BMW

Drop your corroding plastic radiator with this aluminum- core replacement!

Brand:
AFE - Corporate Logo
ES#:
4852446
Mfg#:
46-53241
In Stock
20% off MSRP

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

$295.00

This product was last offered at the strikethrough price on
03-10-2026

$236.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65 Silicone Radiator Hoses

ES#4819358 - 008645LA01 - S65 Silicone Radiator Hoses - Retain OEM fitment with superior looks and durability! - ECS - BMW

Retain OEM fitment with superior looks and durability! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4819358
Mfg#:
008645LA01
In Stock
ON SALE! SAVE 15%
$97.99

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

$83.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electric Fan Conversion Kit

ES#2855348 - e36fndkt6KT7 - Electric Fan Conversion Kit - Free up some extra horsepower by replacing your fan with a Mishimoto e-fan - Assembled By ECS - BMW

Free up some extra horsepower by replacing your fan with a Mishimoto e-fan 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/1995

Brand:
Assembled By ECS - Corporate Logo
ES#:
2855348
Mfg#:
E36FNDKT6KT7
In Stock
$329.99

This product was last offered at the strikethrough price on
07-02-2026

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

F8x High Performance Heat Exchanger

ES#3177499 - D780-0001A - F8x High Performance Heat Exchanger - Keep engine temps lower and drive faster, longer! - Dinan - BMW

Keep engine temps lower and drive faster, longer! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
3177499
Mfg#:
D780-0001A
Ships in 8 Business Days
11% off MSRP

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

$843.99

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

$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Performance Aluminum Radiator

ES#2766394 - MMRADE4601 - E46 M3 Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks 25% increase in coolant capacity with a 32% increase in coolant surface area!

Brand:
Mishimoto - Corporate Logo
ES#:
2766394
Mfg#:
MMRADE4601
Ships in 3 Business Days
$721.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

X-Line Performance Aluminum Radiator

ES#2823089 - MMRADE3692X - X-Line Performance Aluminum Radiator - Lightweight performance radiator for improved cooling and efficiency - Mishimoto - BMW

Lightweight performance radiator for improved cooling and efficiency 20% more efficient, 91% increased coolant capacity, with up to a 30*F reduction in coolant temperature versus the radiator you have now

Brand:
Mishimoto - Corporate Logo
ES#:
2823089
Mfg#:
MMRADE3692X
In Stock at Vendor
$682.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Cooling Parts

Looking to mitigate high temperatures under hard driving or from serious engine upgrades? Our performance cooling system upgrades like radiators, silicone hoses, upgraded water pumps, low-temperature thermostats, electric fan conversions, and more are just what you need to keep those temps down for longer.

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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