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BMW Engine Cooling Parts

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Radiator

ES#2955401 - 17117562079 - Radiator - Replace your leaking radiator. Multi-fit, work with BMWs with an automatic transmissions. - Nissens - BMW
ECS Tuning recommends this product.

Replace your leaking radiator. Multi-fit, work with BMWs with an automatic transmissions. We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2955401
Mfg#:
17117562079
In Stock
$174.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

N55 Heavy Duty Aluminum Expansion Tank Kit

ES#4817875 - 050610LA02 - N55 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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4817875
Mfg#:
050610LA02
Ships on Nov 30, 2026
ON SALE! SAVE 25%
$457.99

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

$343.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2568634 - 11517838159 - Water Pump - Stop your cooling problems before they start - German-made pump featuring a metal impeller - Geba - BMW
ECS Tuning recommends this product.

Stop your cooling problems before they start - German-made pump featuring a metal impeller

Brand:
Geba - Corporate Logo
ES#:
2568634
Mfg#:
11517838159
In Stock
$245.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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

N54/N55 BMW Automatic Transmission Cooler - 335

ES#4368587 - N54N55TransCool - N54/N55 BMW Automatic Transmission Cooler - 335 - Keep your automatic transmission temperatures under control - Burger Motorsports - BMW

Keep your automatic transmission temperatures under control

Brand:
Burger Motorsports - Corporate Logo
ES#:
4368587
Mfg#:
N54N55TRANSCOOL
In Stock
$444.99

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

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose - Engine to Radiator

ES#3082555 - 17128616548 - Coolant Return Hose - Engine to Radiator - Returns coolant from the engine block to the radiator - Genuine BMW - BMW

Returns coolant from the engine block to the radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
3082555
Mfg#:
17128616548
In Stock
3% off MSRP

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

$162.99

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

$157.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump & Thermostat Replacement Kit

ES#4818688 - 11537586784KT - Water Pump & Thermostat Replacement Kit - Featuring an OEM Pierburg all-aluminum water pump and URO thermostat. - Assembled By ECS - BMW

Featuring an OEM Pierburg all-aluminum water pump and URO thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4818688
Mfg#:
11537586784KT
In Stock
ON SALE! SAVE 13%
$743.99

This product was last offered at the strikethrough price on
03-31-2026

$645.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Expansion Tank

ES#2795853 - 17137640514 - Coolant Expansion Tank - Includes level sensor - Mahle-Behr - BMW

Includes level sensor

Brand:
Mahle-Behr - Corporate Logo
ES#:
2795853
Mfg#:
17137640514
Ships in 2 Business Days
$142.99

This product was last offered at the strikethrough price on
02-20-2026

$130.99 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. For BMW M3 E90 and E92 models with DKG/DCT transmission

Brand:
DO88 - Corporate Logo
ES#:
4849634
Mfg#:
BIG-M3-DCT
Ships on Aug 5, 2026
Auto Notify
$3041.99

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

$2616.99 USD

Thermostat With Housing

ES#10944 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Wahler - BMW
ECS Tuning recommends this product.

A common item to crack causing leaks

Brand:
Wahler - Corporate Logo
ES#:
10944
Mfg#:
11537509227
In Stock
$69.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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

$320.95 USD
Free Shipping
This product is lifetime replacement eligible Partial 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!
Reuses factory thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804281
Mfg#:
11517632426KT5
In Stock
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

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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
5425426
Mfg#:
050595LA03
Ships in 9 Business Days
ON SALE! SAVE 20%
$509.99

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

$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3504771 - 17137640514 - Coolant Expansion Tank - Includes level sensor - Rein - BMW
ECS Tuning recommends this product.

Includes level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3504771
Mfg#:
17137640514
In Stock
$70.99

This product was last offered at the strikethrough price on
06-22-2026

$70.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3545367 - 3709 - Radiator - Standard replacement radiator - CSF - BMW

Standard replacement radiator 2X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with automatic transmission only

Brand:
CSF - Corporate Logo
ES#:
3545367
Mfg#:
3709
In Stock
$110.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B58 Mechanical Water Pump

ES#4780496 - 11518632585 - B58 Mechanical Water Pump - Restore your BMW's cooling performance with this new HEPU mechanical water pump. - Hepu - BMW

Restore your BMW's cooling performance with this new HEPU mechanical water pump.

Brand:
Hepu - Corporate Logo
ES#:
4780496
Mfg#:
11518632585
In Stock
$264.99

This product was last offered at the strikethrough price on
05-01-2026

$251.99 USD
Free Shipping
on orders $49 and up
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.

Other BMW Engine Cooling 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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