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BMW 335i Engine Cooling Parts

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Radiator Return Hose

ES#178032 - 64216951946 - Radiator Return Hose - Connects from the top side of the radiator to the expansion tank - Genuine BMW - BMW

Connects from the top side of the radiator to the expansion tank

Brand:
Genuine BMW - Corporate Logo
ES#:
178032
Mfg#:
64216951946
In Stock
5% off MSRP

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

$62.99

This product was last offered at the strikethrough price on
09-03-2026

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

Radiator

ES#2598998 - 17117628057 - Radiator - Genuine BMW - BMW

For vehicles with M Sports package (P337A) & M Sport brakes (S2NHA). | Left

Brand:
Genuine BMW - Corporate Logo
ES#:
2598998
Mfg#:
17117628057
In Stock
ON SALE!
$321.99

This product was last offered at the strikethrough price on
08-26-2026

$297.32 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Hose with Gasket - Water Pump to Engine Inlet

ES#2665000 - 11537598236 - Water Hose with Gasket - Water Pump to Engine Inlet - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
2665000
Mfg#:
11537598236
Ships in 1-2 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.

$453.99

This product was last offered at the strikethrough price on
09-04-2026

$443.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fan Shroud

ES#39124 - 17427544803 - Fan Shroud - Replacement radiator fan shroud - Genuine BMW - BMW

Replacement radiator fan shroud

Brand:
Genuine BMW - Corporate Logo
ES#:
39124
Mfg#:
17427544803
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.

$261.99

This product was last offered at the strikethrough price on
09-04-2026

$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Return Line - Front Turbo

ES#4765875 - 11537558900 - Turbo Water Return Line - Front Turbo - Bremmen OE quality turbo coolant hose - Bremmen Parts - BMW

Bremmen OE quality turbo coolant hose 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4765875
Mfg#:
11537558900
In Stock
ON SALE! SAVE 20%
$67.99

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

$54.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brass Coolant Bleeder Screw - Priced Each

ES#4017796 - 17111712788PRM - Brass Coolant Bleeder Screw - Priced Each - Comes with O-Ring - URO Premium - BMW MINI

Comes with O-Ring 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
4017796
Mfg#:
17111712788PRM
In Stock
$5.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil cooler Retrofit Kit

ES#2952401 - 17227521376KT - Oil cooler Retrofit Kit - Includes every thing needed to retrofit a factory oil cooler - Genuine BMW - BMW

Includes every thing needed to retrofit a factory oil cooler

Brand:
Genuine BMW - Corporate Logo
ES#:
2952401
Mfg#:
17227521376KT
Ships in 1-2 days
$1672.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Feed Line

ES#4689825 - 11537583900 - Turbo Water Feed Line - Rein OE quality coolant hose turbo - Rein - BMW

Rein OE quality coolant hose turbo 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4689825
Mfg#:
11537583900
In Stock
ON SALE!
$45.99

This product was last offered at the strikethrough price on
08-31-2026

$43.69 USD
Free Shipping
on orders $49 and up

N54 Performance Silicone Radiator Hoses

ES#4690094 - 008640LA01 - N54 Performance Silicone Radiator Hoses - Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps. Made to re-use your factory connections. - ECS - BMW

Upper and lower radiator silicone coolant hose kit to upgrade from your stock rubber hoses. Includes stainless steel hose clamps. Made to re-use your factory connections. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4690094
Mfg#:
008640LA01
In Stock
ON SALE! SAVE 25%
$121.99

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

$91.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Return Line - Rear Turbo

ES#4765876 - 11537558902 - Turbo Water Return Line - Rear Turbo - Carries coolant away from the rear turbocharger - Bremmen Parts - BMW

Carries coolant away from the rear turbocharger 10X Entries Into Our F80 M3 Sweepstakes
For E9X N54 LHD only! Will not fit Euro RHD models.

Brand:
Bremmen Parts - Corporate Logo
ES#:
4765876
Mfg#:
11537558902
In Stock
ON SALE! SAVE 20%
$65.99

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

$52.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE! SAVE 29%
$20.99

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

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Coolant Reservoir Cap - Anodized Blue

ES#4505866 - CO0LANTCAPBLUE - Billet Coolant Reservoir Cap - Anodized Blue - Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! - Vargas Turbo Technologies - BMW

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505866
Mfg#:
CO0LANTCAPBLUE
In Stock
ON SALE! SAVE 15%
$79.99

This product was last offered at the strikethrough price on
09-03-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Water Feed Line - Rear Turbo

ES#4765874 - 11537558901 - Turbo Water Feed Line - Rear Turbo - Supplies coolant to the rear turbocharger - Bremmen Parts - BMW

Supplies coolant to the rear turbocharger 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4765874
Mfg#:
11537558901
In Stock
ON SALE! SAVE 20%
$50.99

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

$40.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2682141 - 11517632426KT - ECS Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start using all OEM parts. - Genuine BMW - BMW

Stop your cooling problems before they start using all OEM parts. For vehicles with manual transmission

Brand:
Genuine BMW - Corporate Logo
ES#:
2682141
Mfg#:
11517632426KT
Ships in 1-2 days
$1572.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Hose

ES#3499726 - 17127599450 - Coolant Hose - Connects your radiator to the thermostat - Rein - BMW

Connects your radiator to the thermostat 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3499726
Mfg#:
17127599450
In Stock
ON SALE!
$58.99

This product was last offered at the strikethrough price on
08-31-2026

$56.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

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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