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BMW E46 M3 S54 3.2L

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BMW E46 M3 S54 3.2L Engine Cooling Parts

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E46 M3 Performance Aluminum Radiator

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

Radiator Hose - Lower

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 2 Business Days
$64.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump O-Ring

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

Fan Pulley Holder Tool

ES#3673887 - B8800031 - Fan Pulley Holder Tool - Make your water pump or fan clutch a simple install. Holds the head of pulley bolts for fast fan clutch and water pump pulley removal. - Bav Auto Tools - BMW
ECS Tuning recommends this product.

Make your water pump or fan clutch a simple install. Holds the head of pulley bolts for fast fan clutch and water pump pulley removal. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673887
Mfg#:
B8800031
In Stock
ON SALE! SAVE 15%
$23.99

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

$20.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Race German Coolant Temperature Sender Adapter - 1/8NPT

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 1 Business Day
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772597 - 61132359999 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the coolant level sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
Ships on Jul 28, 2026
Auto Notify
ON SALE! SAVE 25%
$10.99

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

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

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

Fan Blade (420 mm) (11 Blade)

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

Water Pump Gasket

ES#24449 - 11517831099 - Water Pump Gasket - Steel water pump gasket for your Z3 / M3 - Genuine BMW - BMW

Steel water pump gasket for your Z3 / M3 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24449
Mfg#:
11517831099
In Stock
14% off MSRP

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

$41.99

This product was last offered at the strikethrough price on
07-02-2026

$36.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DO88 Racing Auxiliary Oil Cooler - E46 M3

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

Radiator Fan Clutch

ES#2534571 - 11527831619 - Radiator Fan Clutch - Direct replacement - URO - BMW

Direct replacement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534571
Mfg#:
11527831619
In Stock
$71.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

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 2 Business Days
$208.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 12" Electric Fan - Black

ES#4147305 - 30102029 - Universal 12" Electric Fan - Black - 1328 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

1328 CFM. High performance puller fan with curved blades. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147305
Mfg#:
30102029
In Stock
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Radiator

ES#2070637 - 17102228941 - E46 Radiator - Aftermarket radiator for your E46 M3 - Nissens - BMW

Aftermarket radiator for your E46 M3 We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
2070637
Mfg#:
17102228941
Special Order: No Guaranteed ETA
$619.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80*C

ES#24765 - 11531318274 - Thermostat - 80*C - Does not include gasket - Genuine BMW - BMW

Does not include gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24765
Mfg#:
11531318274
In Stock
16% off MSRP

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

$147.44

This product was last offered at the strikethrough price on
07-02-2026

$123.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2497359 - 17127510952KT4 - Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring high quality aftermarket contents - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring high quality aftermarket contents affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2497359
Mfg#:
17127510952KT4
In Stock
ON SALE!
$623.99

This product was last offered at the strikethrough price on
06-26-2026

$612.02 USD
Free Shipping
This product is lifetime replacement eligible Partial 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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