The DBA 4000 Series T3 slotted front rotor for 1987–1991 BMW 325i is a direct-replacement performance rotor made from high-carbon, heat-treated iron with DBA's patented Kangaroo Paw ventilation and tri-symmetrical slotting. The T3 bi-directional slot design improves pad bite, pad cleaning and consistent contact while the ventilation geometry enhances surface area and cooling for reliable brake response under demanding use.
DBA 87-91 BMW 325i Front 4000 Series Slotted Rotor