The Hawk 84-4/91 BMW 325 (E30) HPS Street Rear Brake Pads are designed to provide superior stopping power and maximum brake performance for BMW 325 (E30) vehicles. They feature Hawk's patented HPS (High Performance Street) friction compounds that deliver 20-40% more stopping power than standard OEM pads. The pads are also designed to reduce noise, dust, and rotor wear, and feature a high temperature range of up to 1300° F. These pads are ideal for everyday street driving and light track use.