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BMW E46 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 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

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!

Brand:
Race German - Corporate Logo
ES#:
4493067
Mfg#:
RGCTSA1/8NPT
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2608763 - 17117573781 - Coolant Expansion Tank - Includes new level sensor and lower mounting clamp! - Vaico - BMW

Includes new level sensor and lower mounting clamp! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2608763
Mfg#:
17117573781
In Stock
ON SALE!
$104.99

This product was last offered at the strikethrough price on
06-25-2026

$99.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#2575618 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - Febi - BMW

Replace your brittle fan before it sends a blade through your radiator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2575618
Mfg#:
11521712058
In Stock at Vendor
$62.99

This product was last offered at the strikethrough price on
05-26-2026

$46.25 USD
Free Shipping
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 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

Radiator - Manual

ES#2570204 - 17119071517 - Radiator - Manual - Replace your leaking radiator. - Nissens - BMW

Replace your leaking radiator. We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only and production date from 05/2005

Brand:
Nissens - Corporate Logo
ES#:
2570204
Mfg#:
17119071517
Ships in 1 Business Day
$184.70

This product was last offered at the strikethrough price on
05-09-2026

$170.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4810957 - 11537509227 - Thermostat Assembly - Commonly cracked or broken - Includes Thermostat, Sensor, & Gasket - URO - BMW

Commonly cracked or broken - Includes Thermostat, Sensor, & Gasket 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4810957
Mfg#:
11537509227
Back Ordered
Auto Notify
$41.99 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

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

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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772597
Mfg#:
61132359999
Ships in 4 Business Days
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

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.

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

Aluminum Water Pipe

ES#2828391 - 11537502000 - Aluminum Water Pipe - From water pump to expansion tank hose - featuring a lifetime warranty. No more cracked plastic pipe! - URO Premium - BMW
ECS Tuning recommends this product.

From water pump to expansion tank hose - featuring a lifetime warranty. No more cracked plastic pipe! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO Premium - Corporate Logo
ES#:
2828391
Mfg#:
11537502000
In Stock
$82.99

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

$70.99 USD
Free Shipping
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

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.

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!

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

Water Pump Pulley

ES#2561562 - 11511436590 - Water Pump Pulley - A common failing piece due to the plastic design. - Febi - BMW

A common failing piece due to the plastic design. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2561562
Mfg#:
11511436590
In Stock at Vendor
$40.99 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

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
07-21-2026

$36.13 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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