The EBC Brake Wear Lead Sensor for 1988–1995 BMW 525i (E34) is a replacement wear sensor kit designed to protect rotors from metal-to-metal contact that can cause severe damage. Sold as a fit-specific sensor assembly, it helps maintain proper service intervals and safeguard expensive brake components by signaling when pad replacement is needed.
EBC 88-95 BMW 525i 2.5 (E34) Front Wear Leads