The DBA 4000 Series HD rear rotor for 2019–2022 BMW 330i (excluding M Sport package brakes) is a direct-replacement rotor that offers the 4000 Series platform with a smooth OE-style finish. The HD variant suits owners who require the functional benefits of a 4000 rotor while maintaining a factory appearance, and it is specified for the non‑M Sport brake rear application on those model years.
DBA 19-22 BMW 330i (Excl M Sport Package/Brakes) Rear 4000 Series Standard Rotor