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BMW E90 M3 S65 4.0L

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BMW E90 M3 S65 4.0L Engine Cooling Parts

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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

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

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

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 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:
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

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

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Expansion Tank

ES#4812413 - 63850 - Aluminum Coolant Expansion Tank - Eliminate your failure-prone plastic tank! - Moroso - BMW

Eliminate your failure-prone plastic tank! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Moroso - Corporate Logo
ES#:
4812413
Mfg#:
63850
In Stock at Vendor
$586.00 USD
Free Shipping
on orders $49 and up

DO88 Coolant Hoses - Blue - E90/E92 M3

ES#4656899 - do88kit94B - DO88 Coolant Hoses - Blue - E90/E92 M3 - Coolant hose upgrade for the S65 engine! - DO88 - BMW

Coolant hose upgrade for the S65 engine! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DO88 - Corporate Logo
ES#:
4656899
Mfg#:
DO88KIT94B
In Stock
$291.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X M3 Radiator

ES#38027 - 17112283468 - E9X M3 Radiator - Brand new radiator direct from BMW. - Genuine BMW - BMW

Brand new radiator direct from BMW. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38027
Mfg#:
17112283468
Ships in 6 Business Days
8% off MSRP

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

$631.99

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

$578.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#38932 - 17227521376 - Oil Cooler - Located behind the lower vent of the front bumper cover - Genuine BMW - BMW

Located behind the lower vent of the front bumper cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Functions as a secondary remote oil cooler

Brand:
Genuine BMW - Corporate Logo
ES#:
38932
Mfg#:
17227521376
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.

$606.99

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

$570.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze / Coolant - 1.5 Liter

ES#1912 - AF G001100 - Anti-Freeze / Coolant - 1.5 Liter - Blue Pentofrost Antifreeze coolant in color. Meets VAG G11 and MB 325.0 standards. - Pentosin - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Blue Pentofrost Antifreeze coolant in color. Meets VAG G11 and MB 325.0 standards. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
1912
Mfg#:
AF G001100
In Stock
$14.99 USD
Free Shipping
on orders $49 and up

Cooling System Refresh Kit - Level 1

ES#2777070 - 11517839062KT4 - Cooling System Refresh Kit - Level 1 - An entry level cooling refresh kit - Assembled By ECS - BMW

An entry level cooling refresh kit 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#:
2777070
Mfg#:
11517839062KT4
Ships in 3 Business Days
$632.99

This product was last offered at the strikethrough price on
02-27-2026

$557.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Universal 12" Electric Fan - Red

ES#2764787 - MMFAN12RD - Universal 12" Electric Fan - Red - 934 CFM - 5.7 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

934 CFM - 5.7 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764787
Mfg#:
MMFAN12RD
In Stock at Vendor
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 10" Electric Fan - Black

ES#2764825 - MMFAN10 - Universal 10" Electric Fan - Black - 850 CFM - 5.1 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

850 CFM - 5.1 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764825
Mfg#:
MMFAN10
In Stock at Vendor
$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connection Pipe O-Ring - Priced Each

ES#3618620 - 11531406249 - Connection Pipe O-Ring - Priced Each - Used on both ends of the water pump connection pipe - Bremmen Parts - BMW

Used on both ends of the water pump connection pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3618620
Mfg#:
11531406249
In Stock
ON SALE! SAVE 29%
$5.99

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

$4.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 79 degrees C

ES#25204 - 11537836155 - Thermostat - 79 degrees C - Includes sealing gasket - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
25204
Mfg#:
11537836155
Ships in 3 Business Days
21% off MSRP

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

$162.66

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

$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ISA Screw With Washer

ES#16141 - 07129905537 - ISA Screw With Washer - M6X30 - Genuine BMW - BMW

M6X30 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
16141
Mfg#:
07129905537
Ships Today
$4.99

This product was last offered at the strikethrough price on
03-04-2026

$2.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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