The Koni Sport (Yellow) Shock 12-17 BMW 3 Series (F30) xDrive AWD Front Driver Side is a high-performance shock absorber designed to provide superior handling and stability for BMW 3 Series (F30) xDrive AWD vehicles. The shock absorber features a monotube design with a digressive piston and a unique valving system that is tuned specifically for BMW 3 Series vehicles. The Koni Sport (Yellow) Shock is designed to reduce body roll, improve cornering grip, and increase overall ride comfort. The shock is finished in a bright yellow powder coat for a distinctive look and is backed by a limited lifetime warranty.