The DBA 4000 Series HD plain front rotor for 2012–2015 BMW 335i (340mm front rotor) is a direct-fit replacement using XG-150 high-carbon iron, Thermal Stability Profiling and Kangaroo Paw ventilation to improve stress and heat resistance over standard rotors. It retains a smooth OE-style face for a controlled appearance while fitting factory hardware, offering underlying 4000 Series metallurgy benefits for drivers replacing worn or damaged rotors.
DBA 12-15 BMW 335i (340mm Front Rotor) Front 4000 Series Plain Rotor