What is it Designed for true driving enthusiasts, these OEM upgrades bring the dynamics and enhanced performance of the iconic M4/M3 CSL and CS models into your vehicle. Experience the pinnacle of engineering with precision-coded software that optimizes key ECUs, delivering unparalleled responsiveness, sharper handling, and a more exhilarating drive. Technical Stuff This software can be applied to any G8X M2/M3/M4 and the software coded into the following ECU’s CSL/CS Performance Flash - Improved Sports/Sports+ modes, gear shift sharpness and feel. CSL/CS Electronic Power Steering - Stiffened feel to steering for improved control and handling with more advanced power assist. CSL/CS Traction Control - More slip in MDM before power is cut/reduced and allows improved traction control setting and drift characteristics. Compatibility 2021+ G80/G81 BMW M3 2021+ G82/G83 BMW M4 2023+ G87 BMW M2
