GPD Brake Pad Sensor --. GPD BRAKE PAD SENSOR. 2018 M2 Base With Front Disc, With Rear Disc, With ceramic Brakes. 2015-2020 M4 Base With Front Disc, With Rear Disc, With ceramic Brakes. 2019-2020 M4 CS With Front Disc, With Rear Disc, With ceramic Brakes.
