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BMW M3 Engine Heating & Cooling Hoses

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Silicone Radiator Hose Kit

ES#2718145 - 003628ECS01 - Silicone Radiator Hose Kit - Retains OEM fitment with superior looks and durability! - ECS - BMW

Retains OEM fitment with superior looks and durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2718145
Mfg#:
003628ECS01
In Stock
ON SALE! SAVE 20%
$110.99

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

$88.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#2795588 - 11427558936 - O-Ring - Priced Each - Used to seal the oil and water lines for the turbochargers - Elring - BMW
ECS Tuning recommends this product.

Used to seal the oil and water lines for the turbochargers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! 8 required for the coolant lines, 4 for the oil lines

Brand:
Elring - Corporate Logo
ES#:
2795588
Mfg#:
11427558936
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit

ES#2748020 - 003631ECS01 - Silicone Radiator Hose Kit - Retains OEM fitment with superior looks and durability! - ECS - BMW

Retains OEM fitment with superior looks and durability! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes new connectors - don't reuse brittle, high mileage plastic connectors!

Brand:
ECS - Corporate Logo
ES#:
2748020
Mfg#:
003631ECS01
In Stock
ON SALE! SAVE 25%
$194.99

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

$146.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Water Pipe Connecting Line

ES#37983 - 17112229053 - E46 M3 Water Pipe Connecting Line - Connects the expansion tank to the upper radiator hose - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
37983
Mfg#:
17112229053
In Stock at Vendor
$177.99

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

$172.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling hose kit - with ECS Silicone radiator hoses

ES#2996414 - 115317263449KT1 - Cooling hose kit - with ECS Silicone radiator hoses - Includes all cooling system hose and new hose clamps - Assembled By ECS - BMW

Includes all cooling system hose and new hose clamps 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#:
2996414
Mfg#:
115317263449KT1
Ships on Sep 22, 2026
Auto Notify
ON SALE! SAVE 23%
$221.99

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

$170.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exact-fit Water Pipe Connecting Line

ES#3230761 - 013178ecs - Exact-fit Water Pipe Connecting Line - Connects the expansion tank to the upper radiator hose. Engineered in-house with perfectly formed fitment for a stronger, cleaner install. - ECS - BMW

Connects the expansion tank to the upper radiator hose. Engineered in-house with perfectly formed fitment for a stronger, cleaner install. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3230761
Mfg#:
013178ECS
In Stock
ON SALE! SAVE 30%
$155.99

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

$109.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Upper Radiator

ES#2733436 - 11537848501 - Coolant Hose - Upper Radiator - Replace your leaking or worn out hose - Genuine BMW - BMW

Replace your leaking or worn out hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2733436
Mfg#:
11537848501
In Stock
12% off MSRP

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

$183.00

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

$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

S65 Exact-Fit Silicone Radiator Hoses

ES#4900242 - 008645LA02 - S65 Exact-Fit Silicone Radiator Hoses - Retain OEM fitment with superior looks and durability! Pre-assembled with factory connectors for easy installation. - ECS - BMW

Retain 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!

Brand:
ECS - Corporate Logo
ES#:
4900242
Mfg#:
008645LA02
In Stock
ON SALE!
$173.99

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

$168.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Silicone Hose Kit

ES#3236075 - 003631ECS01KT - ECS Silicone Hose Kit - Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw - ECS - BMW

Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3236075
Mfg#:
003631ECS01KT
In Stock
ON SALE! SAVE 25%
$356.99

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

$267.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Expansion Tank

ES#2775226 - 17122284686 - Coolant Hose - Expansion Tank - Replace your leaking or worn out hose - Genuine BMW - BMW

Replace your leaking or worn out hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2775226
Mfg#:
17122284686
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.

$60.99

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

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Heater Hose

ES#177982 - 64216902680 - E46 M3 Heater Hose - Connects the engine to the heater core - Genuine BMW - BMW

Connects the engine to the heater core affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
177982
Mfg#:
64216902680
In Stock
1% off MSRP

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

$73.99

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

$72.99 USD
Free Shipping
on orders $49 and up
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

3/8"(9mm) Band Hose Clamp - 20-32mm

ES#2770163 - 003402ECS06A-05 - 3/8"(9mm) Band Hose Clamp - 20-32mm - 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#:
2770163
Mfg#:
003402ECS06A-05
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

Expansion Tank Hose

ES#25170 - 11537830713 - Expansion Tank Hose - Hose from expansion tank to engine - Genuine BMW - BMW

Hose from expansion tank to engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25170
Mfg#:
11537830713
Ships in 1-2 days
$69.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Lower Radiator

ES#2733754 - 11537848502 - Coolant Hose - Lower Radiator - Replace your leaking or worn out hose - Genuine BMW - BMW

Replace your leaking or worn out hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2733754
Mfg#:
11537848502
Ships in 1-2 days
12% off MSRP

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

$154.99

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

$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#25218 - 11537838219 - Coolant Hose - Provides coolant to your engine block - Genuine BMW - BMW

Provides coolant to your engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25218
Mfg#:
11537838219
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.

$71.02

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

$67.79 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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