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 Expansion Tank Hoses

Sort By
Filter By
Return to Top

N55 Exact-Fit Silicone Expansion Tank Hose

ES#4877300 - 006402LA03 - N55 Exact-Fit Silicone Expansion Tank Hose - Connects the coolant expansion tank to the upper radiator hose. Featuring durable silicone construction & pre-installed factory connectors for easy installation! - ECS - BMW

Connects the coolant expansion tank to the upper radiator hose. Featuring durable silicone construction & pre-installed factory connectors for easy installation! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4877300
Mfg#:
006402LA03
In Stock
ON SALE! SAVE 30%
$101.99

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

$71.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Return Line

ES#2578088 - 17128570061 - Coolant Hose - Return Line - Connects expansion tank to coolant hose feeding into radiator - Genuine BMW - BMW

Connects expansion tank to coolant hose feeding into radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2578088
Mfg#:
17128570061
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.

$54.77

This product was last offered at the strikethrough price on
06-04-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Return Line

ES#4818585 - 17128570061 - Coolant Hose - Return Line - Connects expansion tank to coolant hose feeding into radiator - Bremmen Parts - BMW

Connects expansion tank to coolant hose feeding into 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#:
4818585
Mfg#:
17128570061
In Stock
ON SALE! SAVE 19%
$36.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Expansion Tank Relocation Coolant Hose

ES#4723175 - 053082LA01 - Silicone Expansion Tank Relocation Coolant Hose - 60" silicone performance coolant hose featuring a molded 90 degree bend for neat installs. Used as a replacement coolant hose for the Turner N54 coolant expansion tank relocation. - Turner Motorsport - BMW

60" silicone performance coolant hose featuring a molded 90 degree bend for neat installs. Used as a replacement coolant hose for the Turner N54 coolant expansion tank relocation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4723175
Mfg#:
053082LA01
In Stock
ON SALE! SAVE 16%
$73.99

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

$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Hose

ES#178032 - 64216951946 - Radiator Return Hose - Connects from the top side of the radiator to the expansion tank - Genuine BMW - BMW

Connects from the top side of the radiator to the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
178032
Mfg#:
64216951946
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.

$62.99

This product was last offered at the strikethrough price on
06-04-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#4447612 - 17128570061 - Coolant Return Hose - Coolant Hose Running From Expansion Tank To The Hose Feeding The Radiator - Rein - BMW

Coolant Hose Running From Expansion Tank To The Hose Feeding The Radiator 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#:
4447612
Mfg#:
17128570061
In Stock
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Hose

ES#4338944 - 64216951946 - Radiator Return Hose - Febi - BMW

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

Brand:
Febi - Corporate Logo
ES#:
4338944
Mfg#:
64216951946
In Stock
$42.99

This product was last offered at the strikethrough price on
05-07-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose

ES#4475690 - 64216951946 - Radiator Hose - Connects from the top side of the radiator to the expansion tank - Bremmen Parts - BMW

Connects from the top side of the radiator to the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4475690
Mfg#:
64216951946
Ships on Sep 1, 2026
Auto Notify
ON SALE!
$28.99

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

$27.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Coolant Hose

ES#2595994 - 17127596831 - Expansion Tank Coolant Hose - Keep your engine running at operating temperature with this coolant hose - Genuine BMW - BMW

Keep your engine running at operating temperature with this coolant hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2595994
Mfg#:
17127596831
Ships in 4 Business Days
6% off MSRP

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

$64.99

This product was last offered at the strikethrough price on
06-04-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Hose

ES#2801883 - 64216951946 - Radiator Return Hose - Connects from the top side of the radiator to the expansion tank - Rein - BMW

Connects from the top side of the radiator to the expansion tank 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#:
2801883
Mfg#:
64216951946
In Stock
$26.99

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

$19.99 USD
Free Shipping
on orders $49 and up

Upgraded Silicone Upper Vent Hose - Black

By utilizing high-grade silicone rather than standard rubber and plastic, VTT offers a hose that stays flexible and robust through countless heat cycles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446529
Mfg#:
N54CLVTBLKO
Ships in 10 Business Days
$54.99 USD
Free Shipping

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