The DBA 5000 Series slotted rotor for 2017–2022 BMW M240i (F22/F23) front applications combines high-carbon cast-iron rings with aerospace-grade T6061‑T6 aluminum hats and features DBA's T3 bi-directional slot design for improved pad bite and gas evacuation. The two-piece NAS-fastened construction reduces unsprung weight and enhances heat control; rings and full assemblies are available depending on whether you want to reuse DBA hats.
DBA 17-22 BMW M240i F22/F23 Front 5000 Series Slotted Rotor w/Silver Hat