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BMW Engine Coolant Lines

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Water Connection Pipe

ES#4669253 - 17111707817 - Water Connection Pipe - Connects the radiator to the expansion tank - Bavarian Autosport - BMW

Connects the radiator to the expansion tank 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4669253
Mfg#:
17111707817
In Stock
ON SALE! SAVE 20%
$18.99

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

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Return Hose

ES#2995097 - 64219329649 - Heater Return Hose - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2995097
Mfg#:
64219329649
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.

$66.99

This product was last offered at the strikethrough price on
07-21-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#4069398 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Rein - BMW

From water pump to expansion tank hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069398
Mfg#:
11537502000
In Stock
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pipe

ES#2828391 - 11537502000 - Aluminum Water Pipe - From water pump to expansion tank hose - featuring a lifetime warranty. No more cracked plastic pipe! - URO Premium - BMW
ECS Tuning recommends this product.

From water pump to expansion tank hose - featuring a lifetime warranty. No more cracked plastic pipe! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
2828391
Mfg#:
11537502000
In Stock
$82.99

This product was last offered at the strikethrough price on
04-28-2026

$70.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E90 Pipe - Heater Return-Hose Connection

ES#25158 - 11537802632 - E90 Pipe - Heater Return-Hose Connection - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
25158
Mfg#:
11537802632
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.

$155.00

This product was last offered at the strikethrough price on
07-21-2026

$145.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#25169 - 11537830712 - O-Ring - Priced Each - Found in the connection between the water pump and the coolant pipe that attaches to the back of the water pump - Genuine BMW - BMW

Found in the connection between the water pump and the coolant pipe that attaches to the back of the water pump

Brand:
Genuine BMW - Corporate Logo
ES#:
25169
Mfg#:
11537830712
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#4818540 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Bremmen Parts - BMW

From water pump to expansion tank hose 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818540
Mfg#:
11537502000
In Stock
ON SALE! SAVE 17%
$35.99

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

$29.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Air line

ES#35941 - 16111184135 - E46 Air line - Air Line with the dreaded L-shaped connector that can have a tendency to snap - Genuine BMW - BMW

Air Line with the dreaded L-shaped connector that can have a tendency to snap

Brand:
Genuine BMW - Corporate Logo
ES#:
35941
Mfg#:
16111184135
Ships in 4 Business Days
3% off MSRP

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

$128.99

This product was last offered at the strikethrough price on
07-21-2026

$124.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2589923 - 11537846363 - Coolant Hose - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2589923
Mfg#:
11537846363
Ships in 4 Business Days
8% off MSRP

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

$529.00

This product was last offered at the strikethrough price on
07-21-2026

$484.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Return

ES#2978700 - 64219299624 - Coolant Hose - Return - Genuine BMW - BMW

Heat Exchanger - Engine

Brand:
Genuine BMW - Corporate Logo
ES#:
2978700
Mfg#:
64219299624
Ships in 4 Business Days
7% 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
07-21-2026

$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#25060 - 11537502000 - Water Pipe - From water pump to expansion tank hose - Genuine BMW - BMW

From water pump to expansion tank hose

Brand:
Genuine BMW - Corporate Logo
ES#:
25060
Mfg#:
11537502000
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.

$60.99

This product was last offered at the strikethrough price on
04-05-2026

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Pipe

ES#25171 - 11537830714 - E46 Pipe - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
25171
Mfg#:
11537830714
Ships in 3 Business Days
1% off MSRP

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

$155.99

This product was last offered at the strikethrough price on
07-21-2026

$154.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Feed Line

ES#2626578 - 11537617502 - Feed Line - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2626578
Mfg#:
11537617502
Ships in 4 Business Days
4% off MSRP

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

$479.99

This product was last offered at the strikethrough price on
07-21-2026

$458.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Transfer Pipe - With O-Ring

ES#19244 - 11141439975 - Coolant Transfer Pipe - With O-Ring - Experiencing water pipe failure? You're not alone! - Genuine BMW - BMW

Experiencing water pipe failure? You're not alone!

Brand:
Genuine BMW - Corporate Logo
ES#:
19244
Mfg#:
11141439975
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.

$119.99

This product was last offered at the strikethrough price on
07-21-2026

$112.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line Replacement & Upgrade Kit

Includes everything needed to replace heater coolant hard lines 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
5435247
Mfg#:
11531705210KT1
Ships on Nov 12, 2026
Auto Notify
$237.99

This product was last offered at the strikethrough price on
04-06-2026

$224.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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

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