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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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BMW Coolant / Antifreeze - 1 Gallon - Blue G48

ES#196290 - 82141467704 - BMW Coolant / Antifreeze - 1 Gallon - Blue G48 - 100% strength concentrate - dilute to a 50:50 ratio with distilled water - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
196290
Mfg#:
82141467704
In Stock
6% off MSRP

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

$29.97

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

$28.21 USD
Free Shipping
on orders $49 and up

E46 M3 Heavy Duty Aluminum Expansion Tank Kit

ES#4876067 - 008682LA02 - E46 M3 Heavy Duty Aluminum Expansion Tank Kit - The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. - Turner Motorsport - BMW
ECS Tuning recommends this product.

The last expansion tank you'll ever need! Upgrade to durable aluminum construction and leave failure-prone plastic behind. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4876067
Mfg#:
008682LA02
In Stock
ON SALE! SAVE 20%
$434.99

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

$347.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 High Performance Aluminum Radiator

ES#2992660 - 7058 - E46 M3 High Performance Aluminum Radiator - Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components. - CSF - BMW

Ultra-efficient dual-core, triple-pass radiator from the leader in E46 M3 cooling. Cooler engine temps mean more power and longer life of engine components. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
2992660
Mfg#:
7058
In Stock
$645.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2568634 - 11517838159 - Water Pump - Stop your cooling problems before they start - German-made pump featuring a metal impeller - Geba - BMW
ECS Tuning recommends this product.

Stop your cooling problems before they start - German-made pump featuring a metal impeller

Brand:
Geba - Corporate Logo
ES#:
2568634
Mfg#:
11517838159
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Race-spec Dual-pass oil cooler

ES#2992675 - 8032 - Race-spec Dual-pass oil cooler - True plug-and-play! No modifications - just better performance. Lower engine temperatures mean more power and longer life of engine components. - CSF - BMW

True plug-and-play! No modifications - just better performance. Lower engine temperatures mean more power and longer life of engine components. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
CSF - Corporate Logo
ES#:
2992675
Mfg#:
8032
In Stock
$549.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row - Black

ES#2764102 - MM0CULBK - Universal Oil Cooler - 19 Row - Black - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764102
Mfg#:
MM0CULBK
In Stock
$536.99 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
Ships in 2 Business Days
$298.99

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

$256.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor

ES#34326 - 13621433076 - Temperature Sensor - Monitors coolant / oil temperature - Genuine BMW - BMW

Monitors coolant / oil temperature

Brand:
Genuine BMW - Corporate Logo
ES#:
34326
Mfg#:
13621433076
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
08-24-2026

$55.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

E46 M3 Water Pump

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

Includes alignment dowel

Brand:
Genuine BMW - Corporate Logo
ES#:
2707755
Mfg#:
11517838118
In Stock
6% 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
08-24-2026

$595.99 USD
Free Shipping
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 7, 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

Heavy Duty Aluminum Coolant Bleeder Screw

ES#2739096 - 003530ECS01A - Heavy Duty Aluminum Coolant Bleeder Screw - Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads! - ECS - BMW MINI

Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2739096
Mfg#:
003530ECS01A
In Stock
ON SALE! SAVE 25%
$35.99

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

$26.99 USD
Free Shipping
on orders $49 and up
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
In Stock
$207.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#10939 - 11531318274 - Thermostat - 80C - Restore your cooling performance with a brand new thermostat - Wahler - BMW

Restore your cooling performance with a brand new thermostat

Brand:
Wahler - Corporate Logo
ES#:
10939
Mfg#:
11531318274
In Stock
$105.99

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

$70.99 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.

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

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