The EBC brake wear lead sensor kit for 1985–1986 BMW 524 TD (E28) is a simple wear-detection part that helps protect rear rotors from metal-to-metal contact. Supplied to fit FMSI pad number D163, the sensor alerts you to pad wear before severe rotor damage occurs. It provides a practical, vehicle-specific safeguard to extend rotor life by signaling when pads need replacement.
EBC 85-86 BMW 524 TD 2.4 TD (E28) Rear Wear Leads