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BMW M3 Coolant Expansion Tank Hoses

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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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3230761
Mfg#:
013178ECS
In Stock
ON SALE! SAVE 25%
$159.99

This product was last offered at the strikethrough price on
06-13-2026

$119.99 USD
Free Shipping
on orders $49 and up
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

Brand:
Genuine BMW - Corporate Logo
ES#:
37983
Mfg#:
17112229053
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.

$96.35

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

$95.28 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E30 Over Flow Hose

ES#130509 - 51731911369 - E30 Over Flow Hose - Allows coolant overflow to escape from the expansion tank - Genuine BMW - BMW

Allows coolant overflow to escape from the expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
130509
Mfg#:
51731911369
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.

$45.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS S54 Exact-fit Waterpipe Connecting Line

ES#3230751 - 013178ecsKT - ECS S54 Exact-fit Waterpipe Connecting Line - Engineered in-house with perfectly formed fitment for a stronger, cleaner install. - ECS - BMW

Engineered in-house with perfectly formed fitment for a stronger, cleaner install. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3230751
Mfg#:
013178ECSKT
In Stock
ON SALE! SAVE 25%
$148.99

This product was last offered at the strikethrough price on
06-13-2026

$111.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#2775491 - 17122284688 - Oil Cooler Hose - Hose from the auxiliary radiator in the wheel housing to the main Radiator. - Genuine BMW - BMW

Hose from the auxiliary radiator in the wheel housing to the main Radiator.

Brand:
Genuine BMW - Corporate Logo
ES#:
2775491
Mfg#:
17122284688
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.

$109.99

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

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

Radiator To Expansion Tank Hose - 1 Meter

ES#37639 - 17111150232 - Radiator To Expansion Tank Hose - 1 Meter - Runs from the radiator to the expansion tank - Genuine BMW - BMW

Runs from the radiator to the expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
37639
Mfg#:
17111150232
Ships in 4 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#2802712 - 17121712736 - Expansion Tank Hose - Prevents coolant spills - Rein - BMW

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

Brand:
Rein - Corporate Logo
ES#:
2802712
Mfg#:
17121712736
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#4900427 - 17121712736 - Expansion Tank Hose - Prevents coolant spills - Bremmen Parts - BMW

Prevents coolant spills 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4900427
Mfg#:
17121712736
In Stock
ON SALE! SAVE 24%
$15.99

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

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Over Flow Hose

ES#38868 - 17222246036 - Over Flow Hose - Attaches to expansion tank - Genuine BMW - BMW

Attaches to expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
38868
Mfg#:
17222246036
Ships in 6 Business Days
2% off MSRP

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

$44.99

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

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose

ES#37956 - 17112225399 - Expansion Tank Hose - Replace your leaking expansion tank hose today - Genuine BMW - BMW

Replace your leaking expansion tank hose today

Brand:
Genuine BMW - Corporate Logo
ES#:
37956
Mfg#:
17112225399
Ships in 6 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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