The Bilstein B4 04-08 BMW 760i/760Li Rear Left Air Suspension Spring is a high-quality replacement air suspension spring for BMW 760i and 760Li models from 2004-2008. It is designed to provide a smooth, comfortable ride by absorbing shock and vibration, while also helping to maintain proper suspension alignment. The spring is made from durable steel and is designed to last for many years of reliable service. It is easy to install and comes with a limited lifetime warranty.