Bilstein B4 DampTronic series shock absorbers are designed to be the perfect choice for maintaining the original ride quality and electronic suspension functionality of your Audi. This high-quality OE replacement part integrates seamlessly with your vehicle's factory electronic damping control system. Features: Constant damping power under any load, high OEM quality standards, proven Bilstein gas-pressure technology, and full plug-and-play compatibility with Audi's active suspension. This is a single unit; for optimal performance, it is recommended to replace shock absorbers in pairs. Included components: 1x Shock Absorber (20-264765).