H&R Sport Spring Kit | BMW 528i xDrive / 535i xDrive (11-16) (50471)H&R Sport Spring Kit Part #: 50471 Overview The H&R Sport Spring Kit is designed to enhance the handling and aesthetics of your BMW 528i xDrive or 535i xDrive (11 16). This suspension upgrade features progressive coil springs that lower your vehicle's ride height, resulting in a more aggressive stance and improved cornering stability. Crafted for drivers who seek a balance of sporty performance and everyday comfort, these springs help optimize your