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BMW M3 Engine Cooling Parts

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Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#37957 - 17112225543 - Coolant Expansion Tank - Houses excess engine coolant - Genuine BMW - BMW

Houses excess engine coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
37957
Mfg#:
17112225543
Ships in 3 Business 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.

$215.99

This product was last offered at the strikethrough price on
06-03-2026

$204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#24497 - 11521723918 - Radiator Fan Clutch - Factory original unit. - Genuine BMW - BMW

Factory original unit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24497
Mfg#:
11521723918
In Stock
4% off MSRP

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

$328.99

This product was last offered at the strikethrough price on
06-03-2026

$315.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E30 Heater Core

ES#2628195 - 64118391363 - E30 Heater Core - Transfers heat to the cabin of the vehicle - Mahle-Behr - BMW

Transfers heat to the cabin of the vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
2628195
Mfg#:
64118391363
In Stock at Vendor
$79.77

This product was last offered at the strikethrough price on
05-21-2026

$69.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#3981213 - ECSe361153-3KT - Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start - featuring a Stewart High Performance Water Pump water pump and an aluminum thermostat housing - Assembled By ECS - BMW

Stop your cooling problems before they start - featuring a Stewart High Performance Water Pump water pump and an aluminum thermostat housing 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#:
3981213
Mfg#:
ECSE361153-3KT
Ships on Aug 10, 2026
Auto Notify
ON SALE!
$400.99

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

$381.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

O-Ring - Priced Each

ES#2800129 - 17222245358 - O-Ring - Priced Each - 13.4x1.78mm. Made in Germany. - Rein - BMW MINI

13.4x1.78mm. Made in Germany. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2800129
Mfg#:
17222245358
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 3

ES#2707744 - 17127510952KT7 - Cooling System Refresh Kit - Level 3 - The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring high quality aftermarket contents - Assembled By ECS - BMW

The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - 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#:
2707744
Mfg#:
17127510952KT7
Ships on Nov 24, 2026
Auto Notify
ON SALE!
$1591.99

This product was last offered at the strikethrough price on
01-03-2026

$1554.34 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Remanufactured Water Pump E30 M3

ES#3074966 - 11511315211p - Remanufactured Water Pump E30 M3 - Features a metal impeller for increase reliability - Genuine BMW - BMW

Features a metal impeller for increase reliability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
3074966
Mfg#:
11511315211P
In Stock
3% off MSRP

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

$528.99

This product was last offered at the strikethrough price on
06-03-2026

$510.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Heat Exchanger - Automatic Transmission

ES#4715349 - MMHE-G80-21AT - Performance Heat Exchanger - Automatic Transmission - Keep your charge air cool under the most demanding conditions - Mishimoto - BMW

Keep your charge air cool under the most demanding conditions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4715349
Mfg#:
MMHE-G80-21AT
In Stock
$752.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#4500501 - Rad-Type25b - Performance Aluminum Radiator - All metal high performance radiator for improved cooling performance - Zionsville Autosport - BMW

All metal high performance radiator for improved cooling performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500501
Mfg#:
RAD-TYPE25B
In Stock
$1499.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary radiator - Left

ES#2775062 - 17112284603 - Auxiliary radiator - Left - Additional radiator located in the fenderwell - Genuine BMW - BMW

Additional radiator located in the fenderwell affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2775062
Mfg#:
17112284603
Ships in 3 Business Days
10% off MSRP

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

$421.99

This product was last offered at the strikethrough price on
06-03-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Radiator - Right

ES#2774870 - 17112284604 - Auxiliary Radiator - Right - Additional radiator located in the fenderwell - Genuine BMW - BMW

Additional radiator located in the fenderwell affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2774870
Mfg#:
17112284604
Ships in 3 Business Days
10% off MSRP

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

$421.99

This product was last offered at the strikethrough price on
06-03-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#34347 - 13621703993 - Coolant Temperature Sensor - Monitors coolant temperature - Genuine BMW - BMW

Monitors coolant temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
34347
Mfg#:
13621703993
In Stock
8% off MSRP

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

$32.14

This product was last offered at the strikethrough price on
06-03-2026

$29.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Radiator - Black - E46 M3

ES#4656925 - WC310S - Aluminum Radiator - Black - E46 M3 - Let your engine breathe better with this DO88 Radiator! - DO88 - BMW

Let your engine breathe better with this DO88 Radiator! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656925
Mfg#:
WC310S
In Stock at Vendor
$735.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 105C

ES#258751 - 11537586885 - Thermostat - 105C - Includes housing and sealing o-ring - Wahler - BMW

Includes housing and sealing o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
258751
Mfg#:
11537586885
In Stock
$137.99

This product was last offered at the strikethrough price on
12-24-2025

$72.99 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.

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