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BMW 135i Engine Cooling Parts

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Billet Coolant Reservoir Cap - Anodized Red

ES#4505864 - CO0LANTCAPRED - Billet Coolant Reservoir Cap - Anodized Red - Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! - Vargas Turbo Technologies - BMW

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505864
Mfg#:
CO0LANTCAPRED
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Radiator - Manual

ES#2580523 - 17117558480 - Engine Radiator - Manual - Keep your engine cooling properly - Mahle-Behr - BMW

Keep your engine cooling properly

Brand:
Mahle-Behr - Corporate Logo
ES#:
2580523
Mfg#:
17117558480
Ships in 1 day
$338.47 USD
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Feed Line - Front Turbo

ES#3499733 - 11537558899 - Turbo Water Feed Line - Front Turbo - Supplies coolant to the front turbocharger - Rein - BMW

Supplies coolant to the front turbocharger 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499733
Mfg#:
11537558899
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cooling System Refresh Kit - Level 1

ES#4883162 - 11517588885KT4 - Performance Cooling System Refresh Kit - Level 1 - An entry-level service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! - Assembled By ECS - BMW

An entry-level service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4883162
Mfg#:
11517588885KT4
Back Ordered
Auto Notify
ON SALE!
$1433.99

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

$1317.02 USD
This product is lifetime replacement eligible Partial Replacement

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Outlet Hose W/ Upgraded Aluminum Flange

ES#4941303 - CHU0484 - Coolant Outlet Hose W/ Upgraded Aluminum Flange - Attaches the outlet of the thermostat housing to the cylinder head - Rein - BMW

Attaches the outlet of the thermostat housing to the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
4941303
Mfg#:
CHU0484
In Stock at Vendor
$46.01 USD
Free Shipping
on orders $49 and up

Thermostat

ES#2079676 - 11537601158 - Thermostat - Restore proper function to your cooling system - Genuine BMW - BMW

Restore proper function to your cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
2079676
Mfg#:
11537601158
In Stock
9% off MSRP

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

$325.99

This product was last offered at the strikethrough price on
08-06-2026

$297.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#2874178 - 17137553919 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - Febi - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2874178
Mfg#:
17137553919
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2582085 - N524TSTKT1 - Thermostat Replacement Kit - Includes mounting hardware and coolant - Wahler - BMW

Includes mounting hardware and coolant

Brand:
Wahler - Corporate Logo
ES#:
2582085
Mfg#:
N524TSTKT1
In Stock
ON SALE!
$112.99

This product was last offered at the strikethrough price on
03-26-2026

$106.43 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Kit - N54

ES#2763074 - 11517632426KT4 - Water Pump And Thermostat Kit - N54 - Includes everything you need to replace your water pump and thermostat. Featuring OE water pump and thermostat. - Assembled By ECS - BMW

Includes everything you need to replace your water pump and thermostat. Featuring OE water pump and thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!
Featuring all German-made components - water pump, Wahler thermostat, Genuine BMW coolant

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763074
Mfg#:
11517632426KT4
In Stock
ON SALE!
$584.00

This product was last offered at the strikethrough price on
07-14-2026

$568.01 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Turbo Coolant Line Kit

ES#3675533 - 11537558900KT1 - Turbo Coolant Line Kit - Includes all four coolant lines and 1 Gallon of Genuine BMW coolant. - Genuine BMW - BMW

Includes all four coolant lines and 1 Gallon of Genuine BMW coolant.

Brand:
Genuine BMW - Corporate Logo
ES#:
3675533
Mfg#:
11537558900KT1
In Stock
$573.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

N54 Billet 90 Degree Coolant Tank Fitting

ES#4159348 - VTT-COOLANT-90-1 - N54 Billet 90 Degree Coolant Tank Fitting - Comes with fitting, and 1 clamp. - Vargas Turbo Technologies - BMW

Comes with fitting, and 1 clamp. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4159348
Mfg#:
VTT-COOLANT-90-1
In Stock
$37.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Radiator - Automatic

ES#2702317 - 17117547059 - Engine Radiator - Automatic - Keep your engine cooling properly - Mahle-Behr - BMW
ECS Tuning recommends this product.

Keep your engine cooling properly

Brand:
Mahle-Behr - Corporate Logo
ES#:
2702317
Mfg#:
17117547059
In Stock
$377.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2966742 - 17137640514 - Coolant Expansion Tank - Includes level sensor - URO - BMW

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

Brand:
URO - Corporate Logo
ES#:
2966742
Mfg#:
17137640514
Ships in 1-3 days
$60.74 USD
Free Shipping
on orders $49 and up

Coolant Hose

ES#3138204 - 11537545665 - Coolant Hose - Hose that runs from the water pump to the thermostat. - Rein - BMW

Hose that runs from the water pump to the thermostat. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3138204
Mfg#:
11537545665
In Stock
$23.98

This product was last offered at the strikethrough price on
03-08-2026

$17.99 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.

Let us help you find the parts that fit your BMW

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