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BMW 328i Engine Heating & Cooling Hoses

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Radiator Hose - Upper

ES#38318 - 17127510952 - Radiator Hose - Upper - A common source of cooling system failure - Genuine BMW - BMW

A common source of cooling system failure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38318
Mfg#:
17127510952
In Stock
10% off MSRP

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

$104.65

This product was last offered at the strikethrough price on
05-18-2026

$94.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#38396 - 17127531579 - Radiator Hose - Upper - Replace split hoses - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
38396
Mfg#:
17127531579
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.

$99.65

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

$90.65 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Vent Hose

ES#3499695 - 17127618510 - Expansion Tank Vent Hose - Connects to the top of the expansion tank and the upper radiator hose - Rein - BMW

Connects to the top of the expansion tank and the upper radiator 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#:
3499695
Mfg#:
17127618510
In Stock
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit - Blue

ES#3047776 - MMHOSEE46NONMBL - Silicone Radiator Hose Kit - Blue - Includes pre-attached OE quick-disconnect fittings and new O-rings - Mishimoto - BMW

Includes pre-attached OE quick-disconnect fittings and new O-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
3047776
Mfg#:
MMHOSEE46NONMBL
In Stock
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Lower

ES#2803379 - 11531436408 - E46 Radiator Hose - Lower - A common source of cooling system failure - Rein - BMW

A common source of cooling system failure 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#:
2803379
Mfg#:
11531436408
In Stock
$35.99

This product was last offered at the strikethrough price on
04-26-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cooling System Hose Kit

ES#2597226 - 11531436408KT - Complete Cooling System Hose Kit - A complete hose kit including coolant - Genuine BMW - BMW

A complete hose kit including coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2597226
Mfg#:
11531436408KT
Ships in 1-2 days
$548.99

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

$540.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Complete Cooling System Hose Kit

ES#4315899 - 11531436408KT2 - Complete Cooling System Hose Kit - A complete hose kit including coolant and ECS Silicone radiator hoses! - Assembled By ECS - BMW

A complete hose kit including coolant and ECS Silicone radiator hoses! 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#:
4315899
Mfg#:
11531436408KT2
Ships on Sep 22, 2026
Auto Notify
ON SALE! SAVE 22%
$428.99

This product was last offered at the strikethrough price on
01-03-2026

$333.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Lower Coolant Hose Assembly

ES#38443 - 17127548224 - Lower Coolant Hose Assembly - Located across the front of the engine bay - Genuine BMW - BMW

Located across the front of the engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For automatic transmission models only

Brand:
Genuine BMW - Corporate Logo
ES#:
38443
Mfg#:
17127548224
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.

$161.99

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

$157.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4304690 - 11531436408 - Radiator Hose - Lower - A common source of cooling system failure - Bremmen Parts - BMW
ECS Tuning recommends this product.

A common source of cooling system failure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4304690
Mfg#:
11531436408
In Stock
ON SALE! SAVE 16%
$36.99

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

$31.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M52 M54 Silicone Radiator Hose Kit

ES#4142065 - 006205LA01 - E46 M52 M54 Silicone Radiator Hose Kit - Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269. - ECS - BMW

Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4142065
Mfg#:
006205LA01
In Stock
ON SALE! SAVE 35%
$156.99

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

$102.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N52 Exact-Fit Silicone Radiator Hoses

ES#4830789 - 008641LA02 - N52 Exact-Fit Silicone Radiator Hoses - Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation! - ECS - BMW
ECS Tuning recommends this product.

Retains OEM fitment with superior looks and durability. Pre-assembled with factory connectors for easy installation! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For SULEV Vehicles with Engine Code N51B30 & Auxiliary Heating (S536A)

Brand:
ECS - Corporate Logo
ES#:
4830789
Mfg#:
008641LA02
In Stock
ON SALE! SAVE 15%
$127.99

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

$108.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator Hose - Upper

ES#2803457 - 17127510952 - E46 Radiator Hose - Upper - A common source of cooling system failure - Rein - BMW
ECS Tuning recommends this product.

A common source of cooling system failure 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#:
2803457
Mfg#:
17127510952
In Stock
$25.99

This product was last offered at the strikethrough price on
02-09-2026

$25.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
25090
Mfg#:
11537516414
Ships in 1-2 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
06-03-2026

$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2770161
Mfg#:
003402ECS06A-03
In Stock
ON SALE! SAVE 40%
$4.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cooling System Hose Kit

ES#2839050 - 17127564478KT1 - Complete Cooling System Hose Kit - Replace your cooling system hoses with this complete kit including coolant - Assembled By ECS - BMW

Replace your cooling system hoses with this complete kit including 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#:
2839050
Mfg#:
17127564478KT1
In Stock
ON SALE!
$189.99

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

$178.59 USD
Free Shipping
This product is lifetime replacement eligible Partial 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.

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