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BMW M3 Engine Cooling Parts

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Cooling System Refresh Kit - Level 2

ES#2707752 - 17127510952KT9 - Cooling System Refresh Kit - Level 2 - A more advanced kit that includes belt service components and a ECS aluminum pulley - featuring high quality aftermarket contents - Assembled By ECS - BMW

A more advanced kit that includes belt service components and a ECS aluminum pulley - 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#:
2707752
Mfg#:
17127510952KT9
Ships on Oct 21, 2026
Auto Notify
ON SALE!
$819.99

This product was last offered at the strikethrough price on
06-02-2026

$796.27 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Cooling Maintenance Kit - Level 3

ES#2636027 - 61311384739KT4 - Cooling Maintenance Kit - Level 3 - The ultimate cooling refresh kit - featuring a Geba water pump with metal impeller - Assembled By ECS - BMW

The ultimate cooling refresh kit - featuring a Geba water pump with metal impeller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 06/1995

Brand:
Assembled By ECS - Corporate Logo
ES#:
2636027
Mfg#:
61311384739KT4
Ships on Aug 10, 2026
Auto Notify
ON SALE! SAVE 15%
$921.99

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

$782.52 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 M3 Coolant Expansion Tank

ES#5396264 - 17112283344 - E46 M3 Coolant Expansion Tank - Replacement plastic expansion tank for BMW M3, includes sealing cap - URO - BMW

Replacement plastic expansion tank for BMW M3, includes sealing cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
URO - Corporate Logo
ES#:
5396264
Mfg#:
17112283344
In Stock
$155.99 USD
Free Shipping
on orders $49 and up

Performance Oil Cooler - BMW G8X M3 M4

ES#4669313 - MM0C-G80-21SL - Performance Oil Cooler - BMW G8X M3 M4 - Keep your 2021+ BMW M3/M4 cool and collected with the Mishimoto performance oil cooler! - Mishimoto - BMW

Keep your 2021+ BMW M3/M4 cool and collected with the Mishimoto performance oil cooler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4669313
Mfg#:
MM0C-G80-21SL
In Stock at Vendor
$776.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9x M3 Heater Hose

ES#25216 - 11537838215 - E9x M3 Heater Hose - Heater core to heater valve - Genuine BMW - BMW

Heater core to heater valve affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25216
Mfg#:
11537838215
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.

$125.99

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

$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Coolant Pipe

ES#25168 - 11537830711 - E46 M3 Coolant Pipe - Connects to the hose that runs to the expansion tank - Genuine BMW - BMW

Connects to the hose that runs to the expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25168
Mfg#:
11537830711
In Stock
1% off MSRP

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

$155.99

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

$154.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Cooling System Refresh Kit - Level 1

ES#4876924 - 008682LA02-RF1KT - Performance Cooling System Refresh Kit - Level 1 - An entry-level service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! - Assembled By ECS - BMW

An entry-level service kit featuring high-performance cooling system components. Eliminate common failure points and increase cooling system efficiency! 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#:
4876924
Mfg#:
008682LA02-RF1KT
Ships on Nov 25, 2026
ON SALE! SAVE 21%
$995.99

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

$783.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coolant Hose Adapter - OBD2 to OBD1

ES#4364737 - 11-AM-CHCAP-OBD1 - Coolant Hose Adapter - OBD2 to OBD1 - Install your OBD2 engine into an OBD1 car! - Achilles Motorsports - BMW

Install your OBD2 engine into an OBD1 car! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with a OBD2 24v Swap (M5X, S5X engines) only!

Brand:
Achilles Motorsports - Corporate Logo
ES#:
4364737
Mfg#:
11-AM-CHCAP-OBD1
Ships in 3 Business Days
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Fan Mount Kit

ES#2764772 - MMFANMOUNT - Universal Fan Mount Kit - Through radiator mounts for custom applications - Mishimoto - Audi BMW Volkswagen MINI

Through radiator mounts for custom applications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764772
Mfg#:
MMFANMOUNT
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler Black - 10 Row

ES#2764962 - MM0C10BK - Universal Oil Cooler Black - 10 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

Brand:
Mishimoto - Corporate Logo
ES#:
2764962
Mfg#:
MM0C10BK
In Stock
$126.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 M3 Thermostat

ES#24760 - 11531315537 - E30 M3 Thermostat - 80CEL - Genuine BMW - BMW

80CEL affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24760
Mfg#:
11531315537
Back Ordered
69% off MSRP

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

$619.15

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

$188.91 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#25105 - 11537545278 - O-Ring - Seals your cooling system - Genuine BMW - BMW

Seals your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25105
Mfg#:
11537545278
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DO88 Racing Oil Cooler - E46 M3

ES#4656912 - OC150 - DO88 Racing Oil Cooler - E46 M3 - The perfect oil cooler for the track and on the street! - DO88 - BMW

The perfect oil cooler for the track and on the street! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656912
Mfg#:
OC150
In Stock at Vendor
$749.99 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2575618
Mfg#:
11521712058
Ships in 2 Business Days
$62.99

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

$49.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank

ES#2775458 - 17132284601 - Expansion Tank - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2775458
Mfg#:
17132284601
Ships in 3 Business Days
6% off MSRP

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

$202.99

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

$189.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug

ES#17731 - 11117530262 - Freeze Plug - Replace your missing freeze plug today - 110x13mm - Genuine BMW - BMW

Replace your missing freeze plug today - 110x13mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
17731
Mfg#:
11117530262
Ships in 1-2 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.

$34.32

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

$30.99 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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