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BMW 328i Engine Heating & Cooling Hoses

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Water Pipe with Aluminum Flange

ES#3569990 - 11537545890 - Water Pipe with Aluminum Flange - Connects from the top of the thermostat housing to the engine block - URO Premium - BMW

Connects from the top of the thermostat housing to the engine block 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
3569990
Mfg#:
11537545890
In Stock
$27.95

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

$27.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Heater Hose

ES#2623000 - 64218376999 - E46 Heater Hose - Runs from the engine to the water valve inlet - Rein - BMW

Runs from the engine to the water valve inlet 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2623000
Mfg#:
64218376999
In Stock
$23.84

This product was last offered at the strikethrough price on
06-02-2026

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

Coolant line

ES#38394 - 17127527131 - Coolant line - Heater return to thermostat - Genuine BMW - BMW

Heater return to thermostat

Brand:
Genuine BMW - Corporate Logo
ES#:
38394
Mfg#:
17127527131
In Stock
ON SALE!
$125.99

This product was last offered at the strikethrough price on
06-25-2026

$122.55 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Return Hose

ES#4818535 - 11531436410 - Return Hose - Connects the Expansion Tank to the Water Pipe - Bremmen Parts - BMW

Connects the Expansion Tank to the Water Pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818535
Mfg#:
11531436410
In Stock
ON SALE! SAVE 18%
$27.99

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

$22.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Line Assembly

ES#38444 - 17127548225 - Coolant Line Assembly - Runs from the thermostat to the heater return pipe. - Genuine BMW - BMW

Runs from the thermostat to the heater return pipe.

Brand:
Genuine BMW - Corporate Logo
ES#:
38444
Mfg#:
17127548225
Ships in 6 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.

$194.99

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

$182.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Cooling Line - Return

ES#4668187 - 11538853293 - Turbo Cooling Line - Return - Coolant return line for turbo charger - Genuine BMW - BMW

Coolant return line for turbo charger

Brand:
Genuine BMW - Corporate Logo
ES#:
4668187
Mfg#:
11538853293
In Stock
ON SALE!
$132.99

This product was last offered at the strikethrough price on
06-25-2026

$129.11 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit - Black

ES#2764964 - MMHOSEE3692BK - Silicone Radiator Hose Kit - Black - Stronger and better looking than OEM hoses - Mishimoto - BMW

Stronger and better looking than OEM hoses

Brand:
Mishimoto - Corporate Logo
ES#:
2764964
Mfg#:
MMHOSEE3692BK
In Stock
$110.99

This product was last offered at the strikethrough price on
05-08-2026

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Assembly

ES#4818577 - 17127548223 - Coolant Hose Assembly - Located across the front of the engine bay - Bremmen Parts - BMW

Located across the front of the engine bay 10X Entries For Our 25th Anniversary Sweepstakes!

For manual transmission models only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818577
Mfg#:
17127548223
In Stock
ON SALE! SAVE 20%
$128.99

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

$102.81 USD
Free Shipping
on orders $49 and up

Coolant Hose Connector

ES#4877194 - 11537545890PRMK - Coolant Hose Connector - Metal Connector vs OEM Plastic - URO Premium - BMW

Metal Connector vs OEM Plastic 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO Premium - Corporate Logo
ES#:
4877194
Mfg#:
11537545890PRMK
In Stock
$24.99 USD
Free Shipping
on orders $49 and up

Radiator Return Hose

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

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

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

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coolant Pipe Repair Kit

ES#3552873 - 11537516414 - Silicone Coolant Pipe Repair Kit - Attached to the water pump inlet - URO Premium - BMW

Attached to the water pump inlet 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
3552873
Mfg#:
11537516414
Back Ordered
Auto Notify
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#25105 - 11537545278 - O-Ring - Seals your cooling system - Genuine BMW - BMW

Seals your cooling system Found at the flange end of the upper thermostat hose

Brand:
Genuine BMW - Corporate Logo
ES#:
25105
Mfg#:
11537545278
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Upper

ES#2537183 - 17127596837 - Coolant Hose - Upper - Connects the oil cooler to the radiator. - Genuine BMW - BMW

Connects the oil cooler to the radiator.

Brand:
Genuine BMW - Corporate Logo
ES#:
2537183
Mfg#:
17127596837
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.

$114.99

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

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4818572 - 17127531581 - Radiator Hose - Lower - Take care of your cooling system - replace old hoses - Bremmen Parts - BMW

Take care of your cooling system - replace old hoses 10X Entries For Our 25th Anniversary Sweepstakes!

Lower

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818572
Mfg#:
17127531581
In Stock
ON SALE! SAVE 16%
$28.99

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

$24.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Upper

ES#4818581 - 17127596837 - Coolant Hose - Upper - Connects the oil cooler to the radiator. - Bremmen Parts - BMW

Connects the oil cooler to the radiator. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818581
Mfg#:
17127596837
In Stock
ON SALE! SAVE 21%
$65.99

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

$52.22 USD
Free Shipping
on orders $49 and up

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

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