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BMW Cooling System Service & Maintenance Parts

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Water Pump And Thermostat Kit

ES#2777338 - 11517586925KT5 - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - BMW
ECS Tuning recommends this product.

Includes everything you need to replace your water pump and thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2777338
Mfg#:
11517586925KT5
In Stock
ON SALE! SAVE 25%
$424.99

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

$318.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Kit

ES#4056697 - 11518635090KT5 - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - BMW

Includes everything you need to replace your water pump and thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056697
Mfg#:
11518635090KT5
In Stock
ON SALE! SAVE 31%
$485.99

This product was last offered at the strikethrough price on
06-02-2026

$334.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

BMW Coolant / Antifreeze - 1 Gallon - Blue G48

ES#196290 - 82141467704 - BMW Coolant / Antifreeze - 1 Gallon - Blue G48 - 100% strength concentrate - dilute to a 50:50 ratio with distilled water - Genuine BMW - BMW

100% strength concentrate - dilute to a 50:50 ratio with distilled water For Vehicles Produced Up To 2018

Brand:
Genuine BMW - Corporate Logo
ES#:
196290
Mfg#:
82141467704
In Stock
6% off MSRP

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

$28.29

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

$26.63 USD
Free Shipping
on orders $49 and up

N20/N52/N54 Heavy Duty Aluminum Expansion Tank Kit

ES#4635669 - 008378LA02 - N20/N52/N54 Heavy Duty Aluminum 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! - 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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4635669
Mfg#:
008378LA02
In Stock
ON SALE! SAVE 20%
$479.99

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

$383.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Heavy Duty Aluminum Expansion Tank Kit

ES#4690219 - 008363LA02 - M52TU/M54 Heavy Duty Aluminum 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! - 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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4690219
Mfg#:
008363LA02
In Stock
$499.99

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

$331.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant / Antifreeze - 1 Gallon - Green HT-12

ES#4040386 - 83192468442 - BMW Coolant / Antifreeze - 1 Gallon - Green HT-12 - 100% strength concentrate - dilute to a 50:50 ratio with distilled water - Genuine BMW - BMW

100% strength concentrate - dilute to a 50:50 ratio with distilled water For Vehicles Produced After 2018

Brand:
Genuine BMW - Corporate Logo
ES#:
4040386
Mfg#:
83192468442
In Stock
$35.95 USD
Free Shipping
on orders $49 and up

Water Pump

ES#4812393 - 11518635089 - Water Pump - Keep your cooling system in tip top shape! - Bavarian Autosport - BMW

Keep your cooling system in tip top shape! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4812393
Mfg#:
11518635089
In Stock
ON SALE! SAVE 20%
$343.99

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

$275.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat

ES#4820923 - 11517588885KT - Water Pump And Thermostat - Featuring Hamburg Technic Coolant Pump & Thermostat with hardware - Hamburg Tech - BMW

Featuring Hamburg Technic Coolant Pump & Thermostat with hardware We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4820923
Mfg#:
11517588885KT
In Stock
$459.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cooling System Hose Kit

ES#2597228 - 11531436408KT1 - Complete Cooling System Hose Kit - A complete hose kit including coolant - Assembled By ECS - BMW

A complete hose kit including coolant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597228
Mfg#:
11531436408KT1
In Stock
ON SALE! SAVE 11%
$285.99

This product was last offered at the strikethrough price on
06-16-2026

$255.46 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

VTT Billet / Silicone Full Coolant Hose Kit - Red

ES#4475786 - VTT-N54-COOLANTR - VTT Billet / Silicone Full Coolant Hose Kit - Red - Upgrade your BMW's cooling system hoses and eliminate the chance of failed connectors and leaks with this kit from Vargas Turbo Technologies - Vargas Turbo Technologies - BMW

Upgrade your BMW's cooling system hoses and eliminate the chance of failed connectors and leaks with this kit from Vargas Turbo Technologies 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4475786
Mfg#:
VTT-N54-COOLANTR
Ships in 10 Business Days
Auto Notify
$464.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Water Pump And Thermostat Kit

ES#2804281 - 11517632426KT5 - Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat - Assembled By ECS - BMW

Includes a 74c race thermostat 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804281
Mfg#:
11517632426KT5
In Stock at Vendor
ON SALE! SAVE 20%
$514.99

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

$410.38 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Assembly - N55

ES#4899910 - 11537598865 - Thermostat Assembly - N55 - A common item to crack causing leaks - Wahler - BMW

A common item to crack causing leaks

Brand:
Wahler - Corporate Logo
ES#:
4899910
Mfg#:
11537598865
In Stock
$147.93 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Kit with Coolant

Over time, heat cycles degrade the plastic components, internal electronics fail, and you're left stranded with a yellow (or worse, red) coolant warning light on your dash. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481358
Mfg#:
11517604027KT2
Ships on Aug 31, 2026
Auto Notify
ON SALE!
$493.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 1

ES#263518 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring aftermarket contents 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
263518
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$337.99

This product was last offered at the strikethrough price on
02-27-2026

$321.97 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Kit

ES#2960474 - 11517604027KT - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat - Assembled By ECS - BMW

Includes everything you need to replace your water pump and thermostat 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2960474
Mfg#:
11517604027KT
Ships on Aug 31, 2026
Auto Notify
ON SALE!
$482.99

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

$468.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Cooling System Service & Maintenance Parts

From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.

Other BMW Cooling System Service & Maintenance Parts

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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