MHD Flasher is a complete flash tuning app for your BMW & Toyota Supra A90. Unlike a piggyback module, it is capable of complete DME remapping while retaining all OEM safety mechanisms. This allows for maximum performance, maximum safety, and unrivaled drivability. --------------------------------------------- Full OBD Flashing: You can install MHD right at home and start tuning immediately! Simply download the MHD Flasher app that connects via a MHD WiFi adapter and your vehicle’s OBD-II port