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BMW Thermostat Hoses

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N54 Performance Silicone Radiator Hose Kit - With OE Connectors

ES#4707593 - 008640LA02 - N54 Performance Silicone Radiator Hose Kit - With OE Connectors - Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps and pre-installed factory style connectors. - ECS - BMW

Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps and pre-installed factory style connectors. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4707593
Mfg#:
008640LA02
In Stock
ON SALE! SAVE 15%
$185.99

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

$158.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N52 Exact-Fit Silicone Radiator Hoses

ES#4877083 - 008641LA03 - 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 Vehicles With Engine Code N52B30 (Non-SULEV w/o Auxiliary Heating)

Brand:
ECS - Corporate Logo
ES#:
4877083
Mfg#:
008641LA03
In Stock
ON SALE!
$127.99

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

$124.15 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

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

Heater Return & Thermostat Hose

ES#1897621 - 17127599455 - Heater Return & Thermostat Hose - Replace damaged hoses to stop leaks and make sure your vehicle is running its absolute best - Genuine BMW - BMW

Replace damaged hoses to stop leaks and make sure your vehicle is running its absolute best affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1897621
Mfg#:
17127599455
Ships in 1 day
3% 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
06-04-2026

$209.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Junction Heat Hose

ES#4871933 - 11538606278 - Junction Heat Hose - Hose coming off the small fitting on the thermostat - Bremmen Parts - BMW

Hose coming off the small fitting on the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871933
Mfg#:
11538606278
In Stock
ON SALE! SAVE 21%
$54.99

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

$43.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Junction Heat Hose

ES#3441785 - 11538606278 - Junction Heat Hose - Hose coming off the small fitting on the thermostat - Genuine BMW - BMW

Hose coming off the small fitting on the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3441785
Mfg#:
11538606278
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.

$84.99

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

$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65 Silicone Radiator Hoses

ES#4819358 - 008645LA01 - S65 Silicone Radiator Hoses - Retain OEM fitment with superior looks and durability! - ECS - BMW

Retain 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#:
4819358
Mfg#:
008645LA01
In Stock
ON SALE! SAVE 15%
$97.99

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

$83.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Module Coolant Pipe W/ Wire Bracket

ES#4179822 - 11538651265 - Thermostat Module Coolant Pipe W/ Wire Bracket - Connects to the thermostat module and supports the electrical wiring harness - Genuine BMW - BMW

Connects to the thermostat module and supports the electrical wiring harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Pre-LCI models with the earlier B46D engine

Brand:
Genuine BMW - Corporate Logo
ES#:
4179822
Mfg#:
11538651265
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.

$78.99

This product was last offered at the strikethrough price on
03-04-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Return Pipe

ES#3421131 - 11538630023 - Radiator Return Pipe - Coolant pipe that runs from the thermostat next to the engine block - Genuine BMW - BMW

Coolant pipe that runs from the thermostat next to the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3421131
Mfg#:
11538630023
Ships in 1 day
7% off MSRP

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

$329.99

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

$306.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Water Pump to Thermostat Module

ES#4179818 - 11538650981 - Coolant Hose - Water Pump to Thermostat Module - Feeds coolant from the water pump to the thermostat module - Genuine BMW - BMW

Feeds coolant from the water pump to the thermostat module affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with the B48D, B46D, or B46X engines only - Not for the earlier Gen1 or later Gen3 engines

Brand:
Genuine BMW - Corporate Logo
ES#:
4179818
Mfg#:
11538650981
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.

$109.99

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

$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Coolant Hose

ES#5341133 - 11537649394 - Water Pump Coolant Hose - Connects the water pump to the thermostat housing - Rein - BMW

Connects the water pump to the thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rein - Corporate Logo
ES#:
5341133
Mfg#:
11537649394
In Stock at Vendor
$67.99 USD
Free Shipping
on orders $49 and up

Coolant Hose - Bottom

ES#3420164 - 17127599450 - Coolant Hose - Bottom - Coolant hose from the bottom of radiator to thermostat - Burgaflex - BMW

Coolant hose from the bottom of radiator to thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burgaflex - Corporate Logo
ES#:
3420164
Mfg#:
17127599450
Back Ordered
Auto Notify
$38.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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