Hawk Performance Ceramic Street Brake Pads (Part# HB624Z.642) are engineered to reduce brake NVH (Noise, Vibration, and Harshness), creating a quieter performing brake pad for luxury and performance vehicles. This ceramic compound is designed for low dust output and extremely high friction output, providing consistent performance and a linear response. Ideal for BMW 3-Series owners looking for a premium upgrade over factory pads. The set includes: 4 Front Disc Brake Pads (Artn: HB624.642). Characteristics: Extremely low dust, low noise, high friction, gentle on rotors.