H&R Sport Springs | BMW M3 Sedan / M3 Competition Sedan (21-23) (28616-1)H&R Sport Springs Part #: 28616 1 Overview The H&R Sport Springs are designed to enhance the handling and aesthetics of your vehicle by lowering the ride height and improving stability. Crafted for enthusiasts who seek a sportier stance and improved cornering performance, these springs are an excellent upgrade for your BMW M3 Sedan or M3 Competition Sedan (21 23). They help achieve a more aggressive look while maintaining ride comfort and ride