CS Handling Package - BMW G80 | G81 M3 | G82 | G83 M4 (xDrive) G81 The main function of the

The main function of the limited slip differential is balancing the driving power between the wheels at the rear axle

however it fits both versions (OPF and non OPF)

xHP Transmission Software

an intoxicating V10 induction sound

CS Handling Package - BMW G80 | G81 M3 | G82 | G83 M4 (xDrive) G81 The main function of theUpgrade your G8x M3 M4 to the have the full suspension and software setup from an M3 CS. This greatly improves handling performance and steering feel, making your G8x M3 M4 in to a more focused drivers car. Package consists of: Genuine BMW M3 CS Front Hubs Genuine BMW M3 CS Front Anti Roll Bar (Not required for G81) CS Software Upgrades Steering, DSC MDM, Transmission, EDC To finish the upgrade we will supply you with the BMW M3 CS alignment