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BMW E46 Engine Cooling Parts

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Auxiliary Puller Fan Assembly

ES#2814088 - 17117561757 - Auxiliary Puller Fan Assembly - Cooling fan mounted behind the radiator - Hamburg Tech - BMW

Cooling fan mounted behind the radiator We Price Match - Give Us A Call or Chat!
For vehicles with production date from 10/1998

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814088
Mfg#:
17117561757
In Stock
ON SALE! SAVE 20%
$194.99

This product was last offered at the strikethrough price on
09-04-2026

$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Coolant / Antifreeze - 1 Gallon (3.78L) - Blue G48

ES#4876763 - 82141467704 - BMW Coolant / Antifreeze - 1 Gallon (3.78L) - Blue G48 - 100% strength concentrate - dilute to a 50:50 ratio with distilled water - Zerex - BMW

100% strength concentrate - dilute to a 50:50 ratio with distilled water For Vehicles Produced Up To 2018

Brand:
Zerex - Corporate Logo
ES#:
4876763
Mfg#:
82141467704
In Stock
$24.76 USD
Free Shipping
on orders $49 and up

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"

Brand:
Genuine BMW - Corporate Logo
ES#:
180300
Mfg#:
64546988914
Ships in 3 Business Days
2% 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
09-04-2026

$915.99 USD
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Triple-Pass Aluminum Radiator

ES#4830823 - 004268LA01 - E46 M3 Triple-Pass Aluminum Radiator - Track-tested and street-readythe ULTIMATE cooling system upgrade for your E46 M3! - Turner Motorsport - BMW

Track-tested and street-ready—the ULTIMATE cooling system upgrade for your E46 M3! 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4830823
Mfg#:
004268LA01
In Stock
$604.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Coolant Expansion Tank

ES#38023 - 17112283344 - E46 M3 Coolant Expansion Tank - Plastic expansion tank, including sealing cap - Genuine BMW - BMW

Plastic expansion tank, including sealing cap

Brand:
Genuine BMW - Corporate Logo
ES#:
38023
Mfg#:
17112283344
In Stock
7% off MSRP

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

$215.23

This product was last offered at the strikethrough price on
03-30-2026

$199.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pipe

ES#4069274 - 11537502525 - Water Pipe - Connects return hose to engine block - Rein - BMW

Connects return hose to engine block 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069274
Mfg#:
11537502525
In Stock
ON SALE!
$55.99

This product was last offered at the strikethrough price on
08-31-2026

$53.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cooling System Refresh Kit - Level 3

ES#4908058 - 008682LA02-RF3KT - Performance Cooling System Refresh Kit - Level 3 - An all-inclusive service and upgrade kit, featuring high-performance components for increased cooling capacity! - Assembled By ECS - BMW

An all-inclusive service and upgrade kit, featuring high-performance components for increased cooling capacity! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4908058
Mfg#:
008682LA02-RF3KT
Ships on Dec 18, 2026
Auto Notify
ON SALE!
$1824.08

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

$1754.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2228846 - 17119071519KT2 - ECS Cooling System Refresh Kit - Level 3 - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a GEBA water pump - Assembled By ECS - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a GEBA water pump 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with a production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2228846
Mfg#:
17119071519KT2
Ships in 1 Business Day
ON SALE! SAVE 10%
$951.99

This product was last offered at the strikethrough price on
08-15-2026

$860.67 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Racing Thermostat

ES#2804271 - MMTS-E90-07 - Racing Thermostat - Promotes greater cooling for increased engine performance - Mishimoto - BMW

Promotes greater cooling for increased engine performance

Brand:
Mishimoto - Corporate Logo
ES#:
2804271
Mfg#:
MMTS-E90-07
In Stock
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Inlet Pipe

ES#4304643 - 11531705210 - Heater Inlet Pipe - Runs from the front left side of the engine to the heater inlet - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Runs from the front left side of the engine to the heater inlet 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304643
Mfg#:
11531705210
In Stock
ON SALE! SAVE 20%
$40.99

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

$32.79 USD
Free Shipping
on orders $49 and up
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.

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

Complete Cooling System Hose Kit

ES#2597226 - 11531436408KT - Complete Cooling System Hose Kit - A complete hose kit including coolant - Genuine BMW - BMW

A complete hose kit including coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2597226
Mfg#:
11531436408KT
Ships in 1-2 days
$548.99

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

$546.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Sport Fan Clutch

ES#3438875 - 14-010 - Sport Fan Clutch - More efficient cooling! - Active Autowerke - BMW

More efficient cooling!

Brand:
Active Autowerke - Corporate Logo
ES#:
3438875
Mfg#:
14-010
In Stock
5% off MSRP

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

$259.00

This product was last offered at the strikethrough price on
09-04-2026

$246.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Housing

ES#25078 - 11537509227 - Thermostat With Housing - A common item to crack causing leaks - Genuine BMW - BMW

A common item to crack causing leaks

Brand:
Genuine BMW - Corporate Logo
ES#:
25078
Mfg#:
11537509227
In Stock
ON SALE!
$169.69

This product was last offered at the strikethrough price on
08-26-2026

$156.96 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

Brand:
Spal - Corporate Logo
ES#:
3706751
Mfg#:
30100400
In Stock at Vendor
$111.99 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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