Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW 335i Engine Cooling Parts

Sort By
Filter By
Return to Top

Water Hose Assembly - Thermostat, Trans Oil Cooler, Heater Hose (3-Way Hose)

ES#2562739 - 17127604544 - Water Hose Assembly - Thermostat, Trans Oil Cooler, Heater Hose (3-Way Hose) - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2562739
Mfg#:
17127604544
Ships in 1-2 days
3% off MSRP

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

$179.99

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

$174.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HVAC Heater Core

ES#2136260 - 64119190595 - HVAC Heater Core - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2136260
Mfg#:
64119190595
Ships in 1-2 days
10% off MSRP

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

$167.99

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

$151.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Coolant Reservoir Cap - Anodized Blue

ES#4505866 - CO0LANTCAPBLUE - Billet Coolant Reservoir Cap - Anodized Blue - 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505866
Mfg#:
CO0LANTCAPBLUE
In Stock
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HEAT EXCHANGER FOR E

ES#2583931 - 17217628058 - HEAT EXCHANGER FOR E - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2583931
Mfg#:
17217628058
Back Ordered
7% off MSRP

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

$266.99

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

$248.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Return Line

ES#4475988 - 11537583903 - Turbo Water Return Line - Manufactured with premium OE quality material designed to withstand the high demands of automotive power turbo systems - Rein - BMW

Manufactured with premium OE quality material designed to withstand the high demands of automotive power turbo systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4475988
Mfg#:
11537583903
In Stock
$48.99

This product was last offered at the strikethrough price on
03-25-2026

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Upper

ES#4818583 - 17127604542 - Coolant Hose - Upper - Aftermarket replacement for a faulty cooling hose. - Bremmen Parts - BMW

Aftermarket replacement for a faulty cooling hose. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818583
Mfg#:
17127604542
In Stock
ON SALE! SAVE 12%
$41.99

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

$36.89 USD
Free Shipping
on orders $49 and up

Radiator Hose Gasket

ES#4727032 - 11537545302 - Radiator Hose Gasket - The gasket that seals the junction between the engine block and radiator hose - Elring - BMW

The gasket that seals the junction between the engine block and radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4727032
Mfg#:
11537545302
In Stock
$12.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with automatic or DCT transmission only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597786
Mfg#:
11537549476RKT1
In Stock
ON SALE! SAVE 24%
$704.77

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

$532.38 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Vent Hose

ES#38468 - 17127565094 - Radiator Vent Hose - Located on the top of the radiator - Genuine BMW - BMW

Located on the top of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38468
Mfg#:
17127565094
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.

$79.99

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

$74.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4689854
Mfg#:
11537558900
In Stock
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#4818579 - 17127564480 - Lower Radiator Hose - The hose that attaches to the bottom of the radiator - Bremmen Parts - BMW

The hose that attaches to the bottom of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818579
Mfg#:
17127564480
In Stock
ON SALE! SAVE 20%
$42.99

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

$34.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2713411 - 11537601158KT1 - Thermostat Replacement Kit - Includes coolant - Assembled By ECS - BMW

Includes coolant 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#:
2713411
Mfg#:
11537601158KT1
Ships on Jul 7, 2026
Auto Notify
ON SALE! SAVE 24%
$106.99

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

$81.36 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Spal Electric Fan Harness with Relay - 185 Degree

ES#4147266 - 185FH - Spal Electric Fan Harness with Relay - 185 Degree - Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit - Spal - Audi BMW MINI

Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147266
Mfg#:
185FH
In Stock
11% off MSRP

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

$186.99

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

$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#2698384 - 17137642160 - Expansion Tank - Genuine replacement for your cracked and/or damaged coolant expansion tank. - Genuine BMW - BMW

Genuine replacement for your cracked and/or damaged coolant expansion tank. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2698384
Mfg#:
17137642160
In Stock
7% off MSRP

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

$180.99

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

$168.99 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings