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BMW E46 Engine Cooling Parts

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Cooling O-Ring - Priced Each

ES#37795 - 17111711987 - Cooling O-Ring - Priced Each - Fits various components in the cooling system - Genuine BMW - BMW

Fits various components in the cooling system

Brand:
Genuine BMW - Corporate Logo
ES#:
37795
Mfg#:
17111711987
In Stock at Vendor
18% off MSRP

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

$16.99

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

$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Pusher Fan Assembly

ES#3189467 - 621-385 - Auxiliary Pusher Fan Assembly - Cooling fan mounted in front of the radiator - Dorman - BMW

Cooling fan mounted in front of the radiator

Brand:
Dorman - Corporate Logo
ES#:
3189467
Mfg#:
621-385
Ships in 4 Business Days
$259.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line Replacement & Upgrade Kit

ES#3184115 - 11531705210KT - Heater Hard Line Replacement & Upgrade Kit - Includes everything needed to replace heater coolant hard lines - Assembled By ECS - BMW

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184115
Mfg#:
11531705210KT
Ships on Nov 12, 2026
Auto Notify
$268.99

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

$257.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

DO88 Coolant Hoses - Black - E46 M3

ES#4656896 - do88kit70S - DO88 Coolant Hoses - Black - E46 M3 - Coolant hose upgrade for the S54 engine! - DO88 - BMW

Coolant hose upgrade for the S54 engine!

Brand:
DO88 - Corporate Logo
ES#:
4656896
Mfg#:
DO88KIT70S
Ships on Aug 10, 2026
$256.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Radiator Hose - Upper

ES#2623004 - 11537830716 - E46 M3 Radiator Hose - Upper - Connects the radiator to the thermostat housing - Rein - BMW

Connects the radiator to the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2623004
Mfg#:
11537830716
In Stock
$33.99

This product was last offered at the strikethrough price on
05-06-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THERMOSTAT HOUSING

ES#4870499 - 11537838120 - THERMOSTAT HOUSING - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
4870499
Mfg#:
11537838120
Back Ordered
Auto Notify
3% off MSRP

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

$255.99

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

$247.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt With Washer - Priced Each

ES#4865874 - 11531740317KT - Hex Bolt With Washer - Priced Each - Used to secure the thermostat - Bremmen Parts - BMW

Used to secure the thermostat 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4865874
Mfg#:
11531740317KT
In Stock
ON SALE! SAVE 39%
$3.99

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

$2.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator - Manual

ES#2710378 - 17119071517 - Radiator - Manual - Replace your leaking radiator. - Mahle-Behr - BMW

Replace your leaking radiator. For vehicles with manual transmission only and production date from 05/2005

Brand:
Mahle-Behr - Corporate Logo
ES#:
2710378
Mfg#:
17119071517
Ships in 1 day
$250.99

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

$243.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Air Duct Cover

ES#129804 - 51718211467 - Air Duct Cover - Located under the hood, above the grilles and front bumper. Helps direct air toward the front radiator. - Genuine BMW - BMW

Located under the hood, above the grilles and front bumper. Helps direct air toward the front radiator.

Brand:
Genuine BMW - Corporate Logo
ES#:
129804
Mfg#:
51718211467
Ships in 1 day
2% off MSRP

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

$61.99

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

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt With Washer

ES#14595 - 07119904589 - Hex Bolt With Washer - M6X35 - Genuine BMW - BMW MINI

M6X35

Brand:
Genuine BMW - Corporate Logo
ES#:
14595
Mfg#:
07119904589
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#4877316 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - URO - BMW

Monitors coolant / oil temperature 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4877316
Mfg#:
13621433076
In Stock
$10.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Return Hose

ES#2879541 - 11531433059 - Heater Return Hose - Metal pipe used to connect many heater hoses - Vaico - BMW

Metal pipe used to connect many heater hoses We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2879541
Mfg#:
11531433059
In Stock at Vendor
$231.99

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

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

Universal 14" Electric Fan - Black

ES#4147278 - 30100385 - Universal 14" Electric Fan - Black - 1038 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1038 CFM. High performance puller fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
4147278
Mfg#:
30100385
In Stock at Vendor
15% off MSRP

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

$130.99

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

$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80C

ES#3234562 - 11531318274 - Thermostat - 80C - Gasket Not included - Gates - BMW
ECS Tuning recommends this product.

Gasket Not included

Brand:
Gates - Corporate Logo
ES#:
3234562
Mfg#:
11531318274
Ships in 5 Business Days
$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Radiator Hose Kit

ES#2703107 - 003631ECS01A - Silicone Radiator Hose Kit - Retains OEM fitment with superior looks and durability! - ECS - BMW

Retains OEM fitment with superior looks and durability! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2703107
Mfg#:
003631ECS01A
In Stock
ON SALE! SAVE 25%
$146.99

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

$110.24 USD
Free Shipping
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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