M2/M3/M4 GTS & CS Flash

M4 CS/GTS DCT Performance Flash - Reduced kangaroo changes. Improved Sports/Sports+ modes, gear shift sharpness and feel. On competition pack cars, your burbles will change to match the M4 GTS/CS burbles.

GTS Electronic Power Steering - Stiffened feel to steering for improved control and handling with more advanced power assist.

GTS Traction Control - More slip in MDM before power is cut/reduced and allows improved traction control setting and drift characteristics.

GTS Rear Differential - Improved initial take off, cornering and stability.