The Koni Sport (Yellow) Shock 03-09 BMW Z4 - Right Front is a high-performance adjustable damper designed to provide exceptional handling and comfort for your BMW Z4. It is constructed from a durable yellow powder-coated aluminum body and features a mono-tube design for superior damping performance. The Koni Sport shock also features adjustable rebound damping, allowing you to fine-tune the ride quality and handling characteristics of your vehicle. It is designed to provide a comfortable ride with improved handling performance and is an ideal choice for those looking to upgrade their BMW Z4 suspension.