Koyorad is pleased to introduce a high quality direct replacement all aluminum performance radiator for 2001 through 2006 BMW M3 E46 chassis. This application features Koyorad's HH Series high density, two row 48mm radiator core which was developed to increase coolant volume, promote proper air flow and coolant circulation. In typical fashion, Koyorad has engineered this radiator with precision, directly replacing the stock OEM plastic/aluminum radiator and will bolt easily to the factory equipped fan shroud for a quick and simple installation. Koyorad's superior quality, precision hand welds, reliability and uniformity are what have earned Koyorad their excellent reputation in performance cooling worldwide.

All radiators are fully polished to a mirror finish. Each feature the following:

- Provides 20% to 30% more cooling than standard radiators
- Handles high revving, high performance motors
- Perfect for Turbocharged, Supercharged & Nitrous Oxide equipped engines
- Made from aircraft quality aluminum and Heli-arc welded, cores are NOCOLOK-brazed (no epoxy)
- Koyo is on the cutting edge of technology and design with Japan's largest automobile manufacture
- Custom built OEM fit - All radiator cores and tanks are specifically designed and built for each application.

No universal fit parts are used. This ensures proper fit, just like your original equipment! Koyo builds radiators to fit today's most popular import performance cars.