SuperPro Front Control Arm Lower-Inner Front Bushing Kit | 1977 BMW 320i (SPF0643K)Superpro Front Control Arm Lower Inner Front Bushing Kit 1977 BMW 320i Part #: SPF0643K Overview The SuperPro Front Control Arm Lower Inner Front Bushing Kit is designed to restore and improve the handling and stability of your 1977 BMW 320i. Over time, the rubber bushings in the control arms can wear out, leading to compromised wheel alignment, increased tire wear, and less precise steering response. This kit provides a direct replacement for worn or