KYOSTAR Billet Aluminum Strut Brace for BMW G80 G81 M3 G82 G83 M4 G87 M2 Upgrade the chassis bracing of your compatible BMW M vehicle with the KYOSTAR Billet Aluminum Strut Brace. Designed for listed 2021+ BMW G80/G81 M3, G82/G83 M4, and 2023+ BMW G87 M2 applications, this vehicle-specific brace provides an upgraded structural connection across key upper chassis mounting locations. The brace features billet aluminum construction with a multi-point geometric design shaped