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BMW 335i Engine Cooling Parts

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Billet Aluminum Radiator Drain Plug

ES#2996874 - 013197ECS01A - Billet Aluminum Radiator Drain Plug - Fear drain plug removal no more! Eliminates mangled and broken drain plugs. - ECS - BMW

Fear drain plug removal no more! Eliminates mangled and broken drain plugs. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2996874
Mfg#:
013197ECS01A
In Stock
ON SALE! SAVE 25%
$47.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Return & Thermostat Hose

ES#1897621 - 17127599455 - Heater Return & Thermostat Hose - Replace damaged hoses to stop leaks and make sure your vehicle is running its absolute best - Genuine BMW - BMW

Replace damaged hoses to stop leaks and make sure your vehicle is running its absolute best

Brand:
Genuine BMW - Corporate Logo
ES#:
1897621
Mfg#:
17127599455
Ships in 3 Business Days
2% off MSRP

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

$215.99

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

$211.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Return Line

ES#2135782 - 11537583903 - Turbo Water Return Line - Carries coolant away from the turbocharger - Genuine BMW - BMW

Carries coolant away from the turbocharger

Brand:
Genuine BMW - Corporate Logo
ES#:
2135782
Mfg#:
11537583903
In Stock
ON SALE!
$177.46

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

$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Return Line - Rear Turbo

ES#4509082 - 11537558902 - Turbo Water Return Line - Rear Turbo - Carries coolant away from the rear turbocharger - Rein - BMW

Carries coolant away from the rear turbocharger 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! For E9X N54 LHD only! Will not fit Euro RHD models.

Brand:
Rein - Corporate Logo
ES#:
4509082
Mfg#:
11537558902
In Stock
ON SALE!
$59.99

This product was last offered at the strikethrough price on
08-31-2026

$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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 Into Our F80 M3 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

Temperature Sensor

ES#2867843 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Febi - BMW
ECS Tuning recommends this product.

Monitors coolant / oil temperature We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867843
Mfg#:
13621433076
Ships in 3 Business Days
$17.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Return Line - Front Turbo

ES#4689854 - 11537558900 - Turbo Water Return Line - Front Turbo - Rein OE quality turbo coolant hose - Rein - BMW

Rein OE quality turbo coolant hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4689854
Mfg#:
11537558900
In Stock
ON SALE!
$60.99

This product was last offered at the strikethrough price on
08-31-2026

$57.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug - With Sleeve

ES#38108 - 17117521781 - Drain Plug - With Sleeve - Complete drain plug assembly - Genuine BMW - BMW

Complete drain plug assembly For vehicles with automatic transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
38108
Mfg#:
17117521781
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Vent Hose

ES#3171186 - 17127565094 - Radiator Vent Hose - Located on the top of the radiator - Rein - BMW

Located on the top of the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3171186
Mfg#:
17127565094
In Stock
ON SALE!
$34.99

This product was last offered at the strikethrough price on
08-31-2026

$33.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3/8"(9mm) Band Hose Clamp - 20-32mm

ES#2770163 - 003402ECS06A-05 - 3/8"(9mm) Band Hose Clamp - 20-32mm - German-style 304 stainless hose clamp - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

German-style 304 stainless hose clamp 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2770163
Mfg#:
003402ECS06A-05
In Stock
ON SALE! SAVE 25%
$4.99

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

$3.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Concentrate - 1 Gallon

ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up

3/8"/9mm Band Hose Clamp - 12-20mm

ES#2770161 - 003402ECS06A-03 - 3/8"/9mm Band Hose Clamp - 12-20mm - German-style 304 stainless hose clamp - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

German-style 304 stainless hose clamp 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2770161
Mfg#:
003402ECS06A-03
In Stock
ON SALE! SAVE 25%
$4.99

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

$3.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - 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#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2597786 - 11537549476RKT1 - ECS Cooling System Refresh Kit - Level 1 - An entry level cooling refresh kit - with high quality OEM & aftermarket components - Assembled By ECS - BMW

An entry level cooling refresh kit - with high quality OEM & aftermarket components 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597786
Mfg#:
11537549476RKT1
Back Ordered
Auto Notify
ON SALE! SAVE 24%
$704.77

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

$534.42 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Line Fitting Adapter

ES#2817090 - MM0CF-BMW - Oil Line Fitting Adapter - Allows you to use larger after market oil coolers that utilize AN fittings - Mishimoto - BMW

Allows you to use larger after market oil coolers that utilize AN fittings For vehicles with high speed synchronization

Brand:
Mishimoto - Corporate Logo
ES#:
2817090
Mfg#:
MM0CF-BMW
In Stock
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant return line

ES#38446 - 17127548229 - Coolant return line - From thermostat to heater valve - Genuine BMW - BMW

From thermostat to heater valve

Brand:
Genuine BMW - Corporate Logo
ES#:
38446
Mfg#:
17127548229
In Stock
2% off MSRP

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

$153.99

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

$150.99 USD
Free Shipping
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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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