G90 M5/G60 5 Series PSM Carbon Fiber SpoilerCenCal Motorsport PSM Style Carbon Fiber Trunk Spoiler G90 M5 G60 5 Series Upgrade your BMWs rear end appearance with the CenCal Motorsport PSM Style Carbon Fiber Trunk Spoiler, crafted to bring aggressive motorsport styling and aerodynamic function to your G series 5 Series or M5. Inspired by the legendary PSM design, this spoiler features bold, sculpted contours that accentuate the vehicles lines while improving rear end downforce and high speed