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BMW E46 Engine Cooling Parts

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ES#2766394 - MMRADE4601 - E46 M3 Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
25% increase in coolant capacity with a 32% increase in coolant surface area!

Brand:
Mishimoto - Corporate Logo
ES#:
2766394
Mfg#:
MMRADE4601
Ships in 3 Business Days
$721.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4493067 - RGCTSA1/8NPT - Race German Coolant Temperature Sender Adapter - 1/8NPT - Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! - Race German - BMW

Splice into your cooling system to add an aftermarket coolant temperature sensor and gauge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
Ships in 3 Business Days
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1866446 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - FAE - BMW

Comes with related o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mounted in upper radiator hose, controls operation of auxiliary fan

Brand:
FAE - Corporate Logo
ES#:
1866446
Mfg#:
13621433077
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4852446 - 46-53241 - AFe POWER BladeRunner OER Series Radiator - Drop your corroding plastic radiator with this aluminum- core replacement! - AFE - BMW

Drop your corroding plastic radiator with this aluminum- core replacement! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
4852446
Mfg#:
46-53241
In Stock
20% off MSRP

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

$295.00

This product was last offered at the strikethrough price on
03-10-2026

$236.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#38183 - 17117561757 - Auxiliary Puller Fan Assembly - Cooling fan mounted behind the radiator - Genuine BMW - BMW

Cooling fan mounted behind the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 10/1998

Brand:
Genuine BMW - Corporate Logo
ES#:
38183
Mfg#:
17117561757
Ships in 1 day
5% off MSRP

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

$759.99

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

$720.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2703107
Mfg#:
003631ECS01A
In Stock
ON SALE! SAVE 30%
$143.99

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

$100.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#178075 - 64218376999 - Heater Hose - Runs from the engine to the water valve inlet - Genuine BMW - BMW

Runs from the engine to the water valve inlet affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
178075
Mfg#:
64218376999
Ships in 1 day
4% off MSRP

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

$56.99

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

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4877194 - 11537545890PRMK - Coolant Hose Connector - Metal Connector vs OEM Plastic - URO Premium - BMW

Metal Connector vs OEM Plastic affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO Premium - Corporate Logo
ES#:
4877194
Mfg#:
11537545890PRMK
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
ES#2813473 - 11527831619 - Radiator Fan Clutch - OEM replacement - Hamburg Tech - BMW

OEM replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813473
Mfg#:
11527831619
Ships in 1 Business Day
$95.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813458 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - Hamburg Tech - BMW

Replace your brittle fan before it sends a blade through your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813458
Mfg#:
11521712058
In Stock
$22.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25166 - 11537830709 - Water Pump O-Ring - Original equipment replacement O-Ring - Genuine BMW - BMW
ECS Tuning recommends this product.

Original equipment replacement O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25166
Mfg#:
11537830709
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2895458 - 11521712058 - Fan Blade (420 mm) (11 Blade) - Replace your brittle fan blades before it sends a blade through your radiator - Vemo - BMW

Replace your brittle fan blades before it sends a blade through your radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895458
Mfg#:
11521712058
In Stock at Vendor
$75.99

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

$73.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25172 - 11537830715 - Radiator Hose - Lower - Lower radiator hose with plastic securing flange - Genuine BMW - BMW

Lower radiator hose with plastic securing flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25172
Mfg#:
11537830715
Ships in 1 day
$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4656909 - OC120E46 - DO88 Racing Auxiliary Oil Cooler - E46 M3 - Oil cooler for power steering or gearbox oil cooling. - DO88 - BMW

Oil cooler for power steering or gearbox oil cooling. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656909
Mfg#:
OC120E46
In Stock
$646.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#37702 - 17111436250 - Expansion Tank Mounting Plate - Mounts to the side of the radiator for retaining the expansion tank - Genuine BMW - BMW

Mounts to the side of the radiator for retaining the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only

Brand:
Genuine BMW - Corporate Logo
ES#:
37702
Mfg#:
17111436250
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.

$134.99

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

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#24459 - 11517840403 - Water Pump Pulley - Should be replaced each time with the water pump - Genuine BMW - BMW

Should be replaced each time with the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24459
Mfg#:
11517840403
Ships in 1 day
$208.99 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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