The Koni Sport (Yellow) Shock 12-17 BMW 3 Series (F30) xDrive AWD Front Passenger Side is an adjustable shock absorber designed to provide superior handling and improved performance for the BMW 3 Series (F30) xDrive AWD. The shock is yellow in color to indicate that it is a sport-tuned shock for increased performance. It features adjustable rebound damping and is designed to reduce body roll and improve cornering stability. The shock is constructed from high-quality materials to ensure durability and long-lasting performance.