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BMW E46 M3 S54 3.2L

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BMW E46 M3 S54 3.2L Engine Cooling Parts

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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

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
10-10-2026

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

Universal 16" Electric Fan - Black

ES#2652188 - 30102049 - Universal 16" Electric Fan - Black - 2024 CFM. High performance puller fan with curved blades. - Spal - Audi BMW MINI

2024 CFM. High performance puller fan with curved blades.

Brand:
Spal - Corporate Logo
ES#:
2652188
Mfg#:
30102049
Ships in 1-2 days
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#205243 - 11527831619 - Radiator Fan Clutch - Direct replacement - Mahle-Behr - BMW
ECS Tuning recommends this product.

Direct replacement

Brand:
Mahle-Behr - Corporate Logo
ES#:
205243
Mfg#:
11527831619
In Stock
$298.99

This product was last offered at the strikethrough price on
08-13-2026

$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"

Brand:
Genuine BMW - Corporate Logo
ES#:
180300
Mfg#:
64546988914
Ships in 1-2 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
10-10-2026

$915.99 USD
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
ON SALE!
$1824.08

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

$1811.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

BMW Fan Clutch Wrench Set

ES#4000865 - CTAA886L - BMW Fan Clutch Wrench Set - 32mm Wrench removes the lock nuts on the thermo-viscous fan, while the other holds the water pump pulley while loosening the radiator fan - CTA Tools - BMW

32mm Wrench removes the lock nuts on the thermo-viscous fan, while the other holds the water pump pulley while loosening the radiator fan

Brand:
CTA Tools - Corporate Logo
ES#:
4000865
Mfg#:
CTAA886L
In Stock
$52.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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
Ships in 1 Business Day
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
10-10-2026

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

Expansion Tank Cap

ES#4304653 - 17117639022 - Expansion Tank Cap - Prevent pressure loss and overheating with a new expansion tank cap - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Prevent pressure loss and overheating with a new expansion tank cap 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304653
Mfg#:
17117639022
In Stock
ON SALE! SAVE 15%
$13.99

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

$11.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#38867 - 17222245358 - O-Ring - Priced Each - 13, 4X1.78 - Genuine BMW - BMW MINI

13, 4X1.78

Brand:
Genuine BMW - Corporate Logo
ES#:
38867
Mfg#:
17222245358
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
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! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876924
Mfg#:
008682LA02-RF1KT
In Stock
ON SALE!
$1042.99

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

$1042.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Universal 16" Electric Fan - Black

ES#2764562 - MMFAN16 - Universal 16" Electric Fan - Black - 1934 CFM - 10.8 amps at 12.14 volts - Mishimoto - Audi BMW Volkswagen MINI

1934 CFM - 10.8 amps at 12.14 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764562
Mfg#:
MMFAN16
In Stock
$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exact-fit Water Pipe Connecting Line

ES#3230761 - 013178ecs - Exact-fit Water Pipe Connecting Line - Connects the expansion tank to the upper radiator hose. Engineered in-house with perfectly formed fitment for a stronger, cleaner install. - ECS - BMW

Connects the expansion tank to the upper radiator hose. Engineered in-house with perfectly formed fitment for a stronger, cleaner install. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3230761
Mfg#:
013178ECS
In Stock
ON SALE! SAVE 25%
$159.99

This product was last offered at the strikethrough price on
06-13-2026

$119.99 USD
Free Shipping
on orders $49 and up
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
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 3

ES#2497338 - 17127510952KT3 - Cooling System Refresh Kit - Level 3 - The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring OEM contents - Genuine BMW - BMW

The ultimate kit to eliminate your cooling system issues and get you back on the road worry free - featuring OEM contents

Brand:
Genuine BMW - Corporate Logo
ES#:
2497338
Mfg#:
17127510952KT3
Ships in 1-2 days
$2913.99

This product was last offered at the strikethrough price on
10-05-2026

$2909.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Auxiliary Fan Switch

ES#34327 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Genuine BMW - BMW MINI

Comes with related o-ring Mounted in upper radiator hose, controls operation of auxiliary fan

Brand:
Genuine BMW - Corporate Logo
ES#:
34327
Mfg#:
13621433077
In Stock
16% off MSRP

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

$66.05

This product was last offered at the strikethrough price on
10-10-2026

$55.55 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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