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BMW M3 Engine Cooling Parts

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O-Ring

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

Seals your cooling system

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

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

Thermostat - 88�C

ES#25085 - 11537511580 - Thermostat - 88C - Common point of failure in the cooling system. - Genuine BMW - BMW

Common point of failure in the cooling system.

Brand:
Genuine BMW - Corporate Logo
ES#:
25085
Mfg#:
11537511580
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.

$59.99

This product was last offered at the strikethrough price on
07-21-2026

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connection Pipe O-Ring - Priced Each

ES#24781 - 11531406249 - Connection Pipe O-Ring - Priced Each - Used on both ends of the water pump connection pipe - Genuine BMW - BMW

Used on both ends of the water pump connection pipe

Brand:
Genuine BMW - Corporate Logo
ES#:
24781
Mfg#:
11531406249
In Stock
$5.99 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

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

Coolant Level Sensor

ES#2695771 - 61311378320 - Coolant Level Sensor - Located on the top of the coolant expansion tank - Febi - BMW

Located on the top of the coolant expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2695771
Mfg#:
61311378320
In Stock
$26.17

This product was last offered at the strikethrough price on
07-09-2026

$23.99 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

Freeze Plug

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

Replace your missing freeze plug today - 110x13mm

Brand:
Genuine BMW - Corporate Logo
ES#:
17731
Mfg#:
11117530262
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.

$34.32

This product was last offered at the strikethrough price on
07-21-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Charge Air Cooler Water Pump

ES#2859426 - 11518600442 - Charge Air Cooler Water Pump - Coolant pump for the charge air cooling system. - Genuine BMW - BMW

Coolant pump for the charge air cooling system.

Brand:
Genuine BMW - Corporate Logo
ES#:
2859426
Mfg#:
11518600442
In Stock
Limited Qty Sale
$343.99

This product was last offered at the strikethrough price on
06-08-2026

$308.99 USD
Free Shipping
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

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 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2497359
Mfg#:
17127510952KT4
In Stock
ON SALE!
$664.99

This product was last offered at the strikethrough price on
07-16-2026

$612.06 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Coolant Temperature Sensor

ES#2873943 - 12621710512 - Coolant Temperature Sensor - Located in the thermostat housing - Febi - BMW

Located in the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873943
Mfg#:
12621710512
In Stock at Vendor
$20.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Water Pump Pulley Kit

ES#2718229 - 002778ECS01AKT - Aluminum Water Pump Pulley Kit - Includes belt and hardware - Assembled By ECS - BMW

Includes belt and hardware 10X Entries For Our 25th Anniversary Sweepstakes!
A "bolt on and go" answer to a weak, unattractive water pump pulley

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718229
Mfg#:
002778ECS01AKT
Ships on Dec 4, 2026
Auto Notify
$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Radiator Hose - Lower

ES#3141678 - 11537840661 - E9X M3 Radiator Hose - Lower - Connects the radiator to the thermostat housing - Rein - BMW

Connects the radiator to the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3141678
Mfg#:
11537840661
In Stock
$49.99 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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