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 328i Engine Heating & Cooling Hoses

Sort By
Filter By
Return to Top

Expansion Tank Vent Hose

ES#4818584 - 17127618510 - Expansion Tank Vent Hose - Connects to the top of the expansion tank and the upper radiator hose - Bremmen Parts - BMW

Connects to the top of the expansion tank and the upper radiator hose 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818584
Mfg#:
17127618510
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

Coolant Inlet Pipe

ES#25090 - 11537516414 - Coolant Inlet Pipe - Attached to the water pump inlet - Genuine BMW - BMW

Attached to the water pump inlet For vehicles with automatic transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
25090
Mfg#:
11537516414
Ships in 4 Business Days
5% 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
07-20-2026

$205.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2718977 - 11537521049 - Coolant Hose - Connects from the water pump to the thermostat - Rein - BMW

Connects 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#:
2718977
Mfg#:
11537521049
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#4883853 - 17127531579 - Radiator Hose - Upper - Replace split hoses - Bremmen Parts - BMW

Replace split hoses 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4883853
Mfg#:
17127531579
In Stock
ON SALE! SAVE 18%
$42.83

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

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

E46 Expansion Tank Hose

ES#2803859 - 64218376153 - E46 Expansion Tank Hose - Expansion tank to heater core - Rein - BMW
ECS Tuning recommends this product.

Expansion tank to heater core 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803859
Mfg#:
64218376153
In Stock
$82.99

This product was last offered at the strikethrough price on
05-06-2026

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

Return Hose

ES#24803 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Genuine BMW - BMW

Connects the Expansion Tank to the Water Pipe

Brand:
Genuine BMW - Corporate Logo
ES#:
24803
Mfg#:
11531436410
In Stock
$42.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#4773000 - 64218376153 - Expansion Tank Hose - Expansion tank to heater core - Bremmen Parts - BMW

Expansion tank to heater core 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4773000
Mfg#:
64218376153
In Stock
ON SALE! SAVE 20%
$47.99

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

$38.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Cooling Line - Supply

ES#4706124 - 11538853292 - Turbo Cooling Line - Supply - Coolant supply line for turbo charger - Genuine BMW - BMW

Coolant supply line for turbo charger

Brand:
Genuine BMW - Corporate Logo
ES#:
4706124
Mfg#:
11538853292
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.

$146.99

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

$137.99 USD
Free Shipping

Turbo Cooling Line - Return

ES#4689765 - 11538663517 - Turbo Cooling Line - Return - Coolant return line for turbo charger - Bavarian Autosport - BMW

Coolant return line for turbo charger 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4689765
Mfg#:
11538663517
Ships on Aug 11, 2026
Auto Notify
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#178073 - 64218376153 - Expansion Tank Hose - Expansion tank to heater core - Genuine BMW - BMW

Expansion tank to heater core

Brand:
Genuine BMW - Corporate Logo
ES#:
178073
Mfg#:
64218376153
In Stock
13% off MSRP

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

$79.29

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

$69.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Lower

ES#24801 - 11531436408 - E46 Radiator Hose - Lower - A common source of cooling system failure - Genuine BMW - BMW

A common source of cooling system failure

Brand:
Genuine BMW - Corporate Logo
ES#:
24801
Mfg#:
11531436408
In Stock
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Cooling Line - Supply

ES#4689762 - 11538663516 - Turbo Cooling Line - Supply - Coolant supply line for turbo charger - Bavarian Autosport - BMW

Coolant supply line for turbo charger 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4689762
Mfg#:
11538663516
In Stock
ON SALE! SAVE 20%
$46.99

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

$37.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Hose

ES#2207030 - 17127618510 - Expansion Tank Vent Hose - Connects to the top of the expansion tank and the upper radiator hose - Genuine BMW - BMW

Connects to the top of the expansion tank and the upper radiator hose

Brand:
Genuine BMW - Corporate Logo
ES#:
2207030
Mfg#:
17127618510
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
02-03-2026

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

Return Hose

ES#2622959 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Rein - BMW

Connects the Expansion Tank to the Water Pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622959
Mfg#:
11531436410
In Stock
$17.99

This product was last offered at the strikethrough price on
02-23-2026

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

Overflow Bottle Hose - Bottom

ES#2622995 - 11531740649 - Overflow Bottle Hose - Bottom - Hose that runs from the bottom of the overflow botle to the water pipe - Rein - BMW

Hose that runs from the bottom of the overflow botle to the water pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622995
Mfg#:
11531740649
In Stock
$30.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit - Red

ES#3047778 - MMHOSEE46NONMRD - Silicone Radiator Hose Kit - Red - Includes pre-attached OE quick-disconnect fittings and new O-rings - Mishimoto - BMW

Includes pre-attached OE quick-disconnect fittings and new O-rings

Brand:
Mishimoto - Corporate Logo
ES#:
3047778
Mfg#:
MMHOSEE46NONMRD
In Stock
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Heating & Cooling Hoses

Over time, the rubber cooling hoses in your engine's cooling system become brittle and can burst or crack, resulting in a coolant leak. Replace old and tired coolant hoses with OEM cooling hoses or quality aftermarket options to save some money.

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