The H&R 97-01 BMW 750i/750iL E38 Sport Spring (w/Self-Leveling) is a performance suspension system designed to improve handling, cornering, and overall ride comfort for the BMW 750i/750iL E38. The springs are designed to lower the vehicle’s center of gravity for improved stability and handling while maintaining the factory self-leveling system. The springs are made from high-quality materials for maximum durability and are tuned for a sportier ride.