Parts Geek – For 2015-2018 BMW X4 Brake Rotor ATE 15935BHXD 2016 2017. 2015-2018 BMW X4. Notes: Brake Disc (330 X 20mm) — Coated. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle’s Year, Make, Model, Trim and Engine in the Compatibility Table.