The DBA 4000 Series plain rotor for 1995–1999 BMW M3 front applications is a direct-replacement rotor cast from XG-150 high carbon alloyed iron and processed with Thermal Stability Profiling. DBA’s Kangaroo Paw ventilation features 144 diamond and teardrop pillars to increase surface area and cooling efficiency—up to a 30% surface area gain and about 20% improved cooling—while the HD finish provides a smooth OE-style appearance.
DBA 95-99 BMW M3 Front 4000 Series Plain Rotor