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BMW Performance Engine Cooling Parts

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E46 M3 Triple-Pass Aluminum Radiator

ES#4830823 - 004268LA01 - E46 M3 Triple-Pass Aluminum Radiator - Track-tested and street-readythe ULTIMATE cooling system upgrade for your E46 M3! - Turner Motorsport - BMW

Track-tested and street-ready—the ULTIMATE cooling system upgrade for your E46 M3! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4830823
Mfg#:
004268LA01
Back Ordered
Auto Notify
$592.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E39 High Performance Aluminum Radiator (Manual only)

ES#3135115 - 7064 - E39 High Performance Aluminum Radiator (Manual only) - Ultra-efficient dual-core, triple-pass radiator from a leader in BMW cooling. Cooler engine temps mean more power and longer life of engine components. - CSF - BMW

Ultra-efficient dual-core, triple-pass radiator from a leader in BMW cooling. Cooler engine temps mean more power and longer life of engine components. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission and production date from 09/1998

Brand:
CSF - Corporate Logo
ES#:
3135115
Mfg#:
7064
In Stock
$689.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9x M3 Heavy Duty Aluminum Expansion Tank Kit

ES#4876028 - 054921LA02 - E9x M3 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876028
Mfg#:
054921LA02
Ships on Aug 14, 2026
ON SALE! SAVE 10%
$449.99

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

$404.99 USD
Free Shipping

High Performance Aluminum Radiator - G2X B58

ES#4900031 - 008765LA01 - High Performance Aluminum Radiator - G2X B58 - Direct-fit upgrade over OEM! Increase cooling capacity & reliability with durable all-aluminum construction. - ECS - BMW

Direct-fit upgrade over OEM! Increase cooling capacity & reliability with durable all-aluminum construction. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4900031
Mfg#:
008765LA01
In Stock
ON SALE! SAVE 15%
$599.99

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

$509.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

F8X High Performance Aluminum Heat Exchanger

ES#4920939 - 050626LA01 - F8X High Performance Aluminum Heat Exchanger - Direct-fit upgrade over OEM! Reduce IATs & boost reliability with durable all-aluminum construction. - Turner Motorsport - BMW

Direct-fit upgrade over OEM! Reduce IATs & boost reliability with durable all-aluminum construction. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4920939
Mfg#:
050626LA01
In Stock
ON SALE! SAVE 15%
$499.99

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

$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit

ES#2748020 - 003631ECS01 - Silicone Radiator Hose Kit - Retains OEM fitment with superior looks and durability! - ECS - BMW

Retains OEM fitment with superior looks and durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes new connectors - don't reuse brittle, high mileage plastic connectors!

Brand:
ECS - Corporate Logo
ES#:
2748020
Mfg#:
003631ECS01
In Stock
ON SALE! SAVE 25%
$194.99

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

$146.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 2

ES#2597716 - 11510392553RKT - ECS Cooling System Refresh Kit - Level 2 - A more advanced refresh kit - with primary cooling system hoses and accessory belt - Assembled By ECS - BMW

A more advanced refresh kit - with primary cooling system hoses and accessory belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597716
Mfg#:
11510392553RKT
Back Ordered
Auto Notify
ON SALE! SAVE 19%
$832.99

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

$671.98 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435258
Mfg#:
MMB-E46-001
Ships in 4 Business Days
$1108.99 USD

Performance Water Pump & Thermostat Kit

ES#4818358 - 11517527799KT - Performance Water Pump & Thermostat Kit - Featuring a high-performance Stewart water pump and low-temp Mishimoto thermostat with aluminum housing! - Assembled By ECS - BMW

Featuring a high-performance Stewart water pump and low-temp Mishimoto thermostat with aluminum housing! 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#:
4818358
Mfg#:
11517527799KT
Ships in 5 Business Days
$339.99

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

$337.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Active Autowerke - Corporate Logo
ES#:
4487399
Mfg#:
15-012
Ships in 4 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
06-04-2026

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

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4619758
Mfg#:
008348LA01BKT
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 20%
$414.99

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

$331.99 USD
Free Shipping
on orders $49 and up
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4900242
Mfg#:
008645LA02
In Stock
ON SALE!
$173.99

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

$168.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#5435284 - MMWP-N54-07 - Water Pump - Precision-engineered solution for the frequent cooling system failures found in the N54 and N55 engines. - Mishimoto - BMW

Precision-engineered solution for the frequent cooling system failures found in the N54 and N55 engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435284
Mfg#:
MMWP-N54-07
Ships in 4 Business Days
$382.99 USD
Free Shipping
on orders $49 and up

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wagner Tuning - Corporate Logo
ES#:
4369258
Mfg#:
400001003.FM
Ships on Jul 22, 2026
$1140.00 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.

Other BMW Performance Engine Cooling Parts

Let us help you find the parts that fit your BMW

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