Front Left Dynamic Friction Company Hi-Carbon Alloy Brake Rotor (1) 900-31160D For 2016-2018 BMW X4

Original Equipment (OE) vane configuration to ensure proper and maximum heat dissipation. Dipped cores to provide for a smoother vane structure. Disc Thickness Variation (DTV) - .010mm maximum 100% precision mill-balanced for smoother stopping and zero vibration at any speed.