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BMW M3 Engine Cooling Parts

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E46 M3 Water Pipe Connecting Line

ES#37983 - 17112229053 - E46 M3 Water Pipe Connecting Line - Connects the expansion tank to the upper radiator hose - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
37983
Mfg#:
17112229053
In Stock at Vendor
$177.99

This product was last offered at the strikethrough price on
05-07-2026

$172.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Auxiliary Fan Assembly - With Frame

ES#180300 - 64546988914 - E46 M3 Auxiliary Fan Assembly - With Frame - Mounted in front of the radiator, referred to by BMW as the "Pusher Fan" - Genuine BMW - BMW

Mounted in front of the radiator, referred to by BMW as the "Pusher Fan" affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
180300
Mfg#:
64546988914
Ships in 5 Business Days
3% off MSRP

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

$938.99

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

$907.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Radiator - E90/92 M3

ES#4656920 - WC190 - Aluminum Radiator - E90/92 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#:
4656920
Mfg#:
WC190
In Stock at Vendor
$712.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Water Pump And Thermostat Kit

ES#2960121 - 11517838201kt2KT - Water Pump And Thermostat Kit - Includes German-made OE water pump and thermostat with everything you need to install - Assembled By ECS - BMW

Includes German-made OE water pump and thermostat with everything you need to install 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#:
2960121
Mfg#:
11517838201KT2KT
In Stock
ON SALE! SAVE 23%
$285.99

This product was last offered at the strikethrough price on
04-07-2026

$219.84 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

S55 Front Mount Heat Exchanger - F8X S55

ES#4338826 - 10803020 - S55 Front Mount Heat Exchanger - F8X S55 - Replace your inefficient factory front-mounted heat exchanger - VRSF - BMW

Replace your inefficient factory front-mounted heat exchanger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VRSF - Corporate Logo
ES#:
4338826
Mfg#:
10803020
Ships in 1 Business Day
$499.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CSF High Performance Aluminum Heat Exchanger - Black

ES#4147449 - 8075V - CSF High Performance Aluminum Heat Exchanger - Black - Reduce intake temperatures with this performance heat exchanger from CSF! - CSF - BMW

Reduce intake temperatures with this performance heat exchanger from CSF! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CSF - Corporate Logo
ES#:
4147449
Mfg#:
8075V
In Stock
$699.00 USD
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Water Pump

ES#2707755 - 11517838118 - E46 M3 Water Pump - Includes alignment dowel - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2707755
Mfg#:
11517838118
Ships in 1-2 days
7% off MSRP

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

$632.99

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

$590.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Essentials Bundle - Cooling System

ES#5435258 - MMB-E46-001 - Essentials Bundle - Cooling System - An all-in-one cooling solution designed to replace the most common failure points in the E46 chassis. - Mishimoto - BMW

An all-in-one cooling solution designed to replace the most common failure points in the E46 chassis. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
5435258
Mfg#:
MMB-E46-001
Ships in 3 Business Days
$1108.99 USD

Cooling hose kit - with ECS Silicone radiator hoses

ES#2996414 - 115317263449KT1 - Cooling hose kit - with ECS Silicone radiator hoses - Includes all cooling system hose and new hose clamps - Assembled By ECS - BMW

Includes all cooling system hose and new hose clamps 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#:
2996414
Mfg#:
115317263449KT1
Ships on Sep 22, 2026
Auto Notify
ON SALE! SAVE 23%
$221.99

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

$170.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Low Profile Electric Fan

ES#3706751 - 30100400 - Universal 16" Low Profile Electric Fan - 1300 CFM. High performance pull fan with straight blades - Spal - Audi BMW MINI

1300 CFM. High performance pull fan with straight blades affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
3706751
Mfg#:
30100400
In Stock
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4304685 - 17111723520 - Coolant Expansion Tank - Replace your cracked or faded tank - Bavarian Autosport - BMW

Replace your cracked or faded tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304685
Mfg#:
17111723520
In Stock
ON SALE! SAVE 20%
$39.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#2534633 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - URO - 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:
URO - Corporate Logo
ES#:
2534633
Mfg#:
11521712058
In Stock
$32.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2733909 - 17117639021 - Expansion Tank Cap - Cap for plastic expansion tank - Genuine BMW - BMW

Cap for plastic expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2733909
Mfg#:
17117639021
Ships in 1-2 days
23% off MSRP

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

$34.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2767195 - 11517846361 - Water Pump - Factory replacement water pump - Genuine BMW - BMW

Factory replacement water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2767195
Mfg#:
11517846361
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.

$385.99

This product was last offered at the strikethrough price on
02-03-2026

$348.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Water Pump & Thermostat Kit

ES#4818358 - 11517527799KT - Performance Water Pump & Thermostat Kit - Featuring a high-performance Stewart water pump and low-temp Mishimoto thermostat with aluminum housing! - Assembled By ECS - BMW

Featuring a high-performance Stewart water pump and low-temp Mishimoto thermostat with aluminum 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#:
4818358
Mfg#:
11517527799KT
Ships in 1-3 days
$339.99

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

$337.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Radiator Fan Clutch

ES#2895469 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Vemo - BMW

Common source of engine overheating affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2895469
Mfg#:
11527505302
In Stock at Vendor
$155.99

This product was last offered at the strikethrough price on
05-07-2026

$151.99 USD
Free Shipping
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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