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BMW M3 Engine Cooling Refresh Kits

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E46 M3 Heavy Duty Aluminum Expansion Tank Kit

ES#4876067 - 008682LA02 - E46 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
ECS Tuning recommends this product.

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#:
4876067
Mfg#:
008682LA02
Ships on Aug 14, 2026
ON SALE! SAVE 15%
$425.99

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

$362.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BigPack BMW M3 E90/E92 DKG DCT

ES#4849634 - BIG-M3-DCT - BigPack BMW M3 E90/E92 DKG DCT - The Do88 BigPack BMW M3 E90/E92 DKG DCT cooling kit is engineered to meet the highest standards, providing BMW M3 owners with a reliable, efficient, and performance-driven cooling solution. - DO88 - BMW

The Do88 BigPack BMW M3 E90/E92 DKG DCT cooling kit is engineered to meet the highest standards, providing BMW M3 owners with a reliable, efficient, and performance-driven cooling solution. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For BMW M3 E90 and E92 models with DKG/DCT transmission

Brand:
DO88 - Corporate Logo
ES#:
4849634
Mfg#:
BIG-M3-DCT
Ships in 5 Business Days
$3041.99

This product was last offered at the strikethrough price on
05-26-2026

$2616.99 USD

F8X Heavy Duty Aluminum Expansion Tank Kit

ES#5425426 - 050595LA03 - F8X 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
ECS Tuning recommends this product.

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#:
5425426
Mfg#:
050595LA03
Ships in 1 Business Day
ON SALE! SAVE 30%
$499.99

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

$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Cooling Kit - With Radiator

ES#2587157 - 888010330PERKT - Performance Cooling Kit - With Radiator - It's time to get serious about your cooling system! - Assembled By ECS - BMW

It's time to get serious about your cooling system! 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#:
2587157
Mfg#:
888010330PERKT
Ships on Jul 20, 2026
Auto Notify
ON SALE!
$978.99

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

$925.26 USD
Free Shipping
This product is lifetime replacement eligible Partial 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

Performance Cooling System Refresh Kit - Level 3

ES#4908058 - 008682LA02-RF3KT - Performance Cooling System Refresh Kit - Level 3 - An all-inclusive service and upgrade kit, featuring high-performance components for increased cooling capacity! - Assembled By ECS - BMW

An all-inclusive service and upgrade kit, featuring high-performance components for increased cooling capacity! 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#:
4908058
Mfg#:
008682LA02-RF3KT
Back Ordered
Auto Notify
ON SALE! SAVE 13%
$1748.31

This product was last offered at the strikethrough price on
01-03-2026

$1521.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Kit

ES#2960121 - 11517838201kt2KT - Water Pump And Thermostat Kit - Includes German-made OE water pump and thermostat with everything you need to install - Assembled By ECS - BMW

Includes German-made OE water pump and thermostat with everything you need to install 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#:
2960121
Mfg#:
11517838201KT2KT
In Stock
ON SALE! SAVE 23%
$285.99

This product was last offered at the strikethrough price on
04-07-2026

$219.84 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 3 Business Days
$1108.99 USD

Cooling System Refresh Kit - Level 3

ES#2497338 - 17127510952KT3 - Cooling System Refresh Kit - Level 3 - The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring OEM contents - Genuine BMW - BMW

The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring OEM contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2497338
Mfg#:
17127510952KT3
Ships on Nov 24, 2026
$2861.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling Maintenance Kit - Level 3

ES#2598408 - 11517527910KT1 - ECS Cooling Maintenance Kit - Level 3 - The ultimate cooling refresh kit - with OEM components - Genuine BMW - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with OEM components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2598408
Mfg#:
11517527910KT1
Back Ordered
$2112.99 USD
This product is lifetime replacement eligible Partial Replacement

Performance Water Pump & Thermostat Replacement Kit

ES#4818073 - 11517846361KT3 - Performance Water Pump & Thermostat Replacement Kit - Featuring a Genuine BMW water pump and HT 90*C thermostat! - Assembled By ECS - BMW

Featuring a Genuine BMW water pump and HT 90*C thermostat! 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#:
4818073
Mfg#:
11517846361KT3
Ships in 1-2 days
$487.99

This product was last offered at the strikethrough price on
02-03-2026

$480.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2966397 - 11517839062KT5 - Cooling System Refresh Kit - Level 3 - The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - Assembled By ECS - BMW

The ultimate kit to eliminate your cooling system issues and get you back on the road worry free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 04/2008

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966397
Mfg#:
11517839062KT5
Ships in 1-2 days
$1774.99

This product was last offered at the strikethrough price on
04-07-2026

$1730.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#4666879 - 17127510952KT12 - Cooling System Refresh Kit - Level 3 - Assembled By ECS - BMW

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#:
4666879
Mfg#:
17127510952KT12
Ships on Nov 24, 2026
$1770.99

This product was last offered at the strikethrough price on
03-09-2026

$1726.99 USD
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#3981213 - ECSe361153-3KT - Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start - featuring a Stewart High Performance Water Pump water pump and an aluminum thermostat housing - Assembled By ECS - BMW

Stop your cooling problems before they start - featuring a Stewart High Performance Water Pump water pump and an aluminum thermostat 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#:
3981213
Mfg#:
ECSE361153-3KT
Ships on Aug 10, 2026
Auto Notify
ON SALE!
$400.99

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

$381.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 3

ES#2707744 - 17127510952KT7 - Cooling System Refresh Kit - Level 3 - The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring high quality aftermarket contents - Assembled By ECS - BMW

The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring high quality aftermarket contents 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#:
2707744
Mfg#:
17127510952KT7
Ships on Nov 24, 2026
Auto Notify
ON SALE!
$1591.99

This product was last offered at the strikethrough price on
01-03-2026

$1529.73 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling System Refresh Kit - Level 1

ES#2497335 - 17127510952KT - Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring OEM contents - Genuine BMW - BMW

Contains the components that commonly fail in your cooling system - featuring OEM contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2497335
Mfg#:
17127510952KT
Ships in 1-2 days
$1190.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Engine Cooling Refresh Kits

Stay ahead of cooling issues by servicing your cooling system with our curated cooling system service kits that include everything you need to bring your cooling system back up to snuff.

Let us help you find the parts that fit your BMW

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