Mishimoto Radiator BMW E46 M3 S54 (01-06) 2 Row Aluminum MMRAD-E46-01

Mishimoto Performance Aluminum Radiator, the ultimate cooling upgrade designed to keep your E46 M3 S54 engine running cool under pressure. Whether you're dominating track days, carving canyons, or pushing your limits on the daily drive, this radiator outperforms, outlasts, and outshines the competition, giving you the confidence to drive harder, longer, and without compromise.

Fitment Information

• BMW E46 M3 S54 (2001, 2002, 2003, 2004, 2005, 2006)

Specs & Features

• Same radiator used on the Redline360 E46 M3!
• Fully Brazed Aluminum Core with TIG-Welded End Tanks - Maximum durability and performance for long-term reliability.
  
• Perfect Fitment - Works seamlessly with the stock clutch fan or the Mishimoto electric fan shroud for an easy, hassle-free install.
  
• Precision Designed - No guesswork, no modifications. CNC-machined quick-disconnect fittings ensure a perfect match with factory hoses.
  
• Track-Tested Performance - Proven to increase coolant surface area by 32%, air surface area by 15%, and coolant capacity by 25% for superior cooling efficiency.
  
• Supercharger-Ready - Works with most aftermarket supercharger kits, so you can push your M3 to its full potential.
  
• Built-in Sensor Port - 1/8-in NPT port for easy installation of temp sensors or aftermarket gauges.
  
• Complete Installation Kit - Includes a fan tool to make clutch fan removal simple.
  
• Mishimoto Lifetime Warranty - Backed by a warranty for life, because confidence in quality matters.
• Purchase Includes
• Mishimoto Radiator
• Fan Tool, NPT plug, Hex Bolts
• Mishimoto Lifetime Warranty

Product Description

Your BMW E46 M3 is built for performance, but let's be honest—stock cooling systems weren't designed to handle aggressive driving, track days, or even stop-and-go traffic. Heat is the enemy of power, and if you've ever seen your temp gauge creeping up at the worst possible moment, you know it's time for an upgrade. Enter the Mishimoto Performance Aluminum Radiator, engineered to keep your legendary S54 engine running cool under pressure. Featuring a 32% increase in coolant surface area, 15% more air surface area, and 25% greater coolant capacity, this radiator delivers the cooling efficiency your M3 needs to stay at peak performance. Whether you're pushing high RPMs on a backroad blast, dialing in a supercharged setup, or just want bulletproof reliability for daily driving, this is the cooling upgrade that makes all the difference.

Built with fully TIG-welded aluminum construction, this radiator ditches the OEM plastic end tanks that are prone to cracking and leaking under stress. CNC-machined quick-disconnect fittings ensure a hassle-free fit with stock hoses, while its track-tested design is ready for anything from weekend warrior sessions to full-blown motorsport abuse. With support for most aftermarket supercharger kits, an included fan tool for easy clutch fan removal, and a 1/8-in NPT port for additional sensors, Mishimoto has thought of everything. Best of all, it’s backed by the Mishimoto Lifetime Warranty, so you can push your M3 to the limit knowing your cooling system won't hold you back. If you're serious about performance, reliability, and longevity, this is the last radiator you’ll ever need—get yours today and keep your E46 M3 running strong for years to come!