Koyorad is proud to introduce an all-aluminum performance radiator for the 99-05 BMW 3 Series (Not
M3 Trim). This radiator features Koyorad's 36mm thick, high density Hyper core, which offers over a
33% increase over the OEM radiator thickness to boost the platform’s heat capacity and endurance. The
OEM mounting provisions have been retained for an easy installation to be used with factory fans, AC
condenser and will accept the vehicle’s OEM coolant hoses, requiring no modifications. Koyorad’s
advanced engineering and design methods, impeccable TIG welds, proficient furnace brazing, and triple
pressure testing for quality has earned their excellent reputation in performance cooling worldwide.