2017-2020 BMW 430i. Notes: Brake Wear Lead Sensor Kit -- For FMSI Pad No. D1609; 380mm Dia.; 30mm Thick; With ATE Calipers. Brake Wear Lead Sensor. Position: Front. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.