MHD Wireless OBDII Wifi Flash AdapterMake tuning easy with an MHD Wireless OBII Wifi Flash Adapter! The new MHD Wireless OBDII WiFi Flash Adapter allows you to reliably load flash maps to your BMW including JB4 back end flash maps faster and easier than ever before. Just pair with your Android phone and plug it in to the OBDII port when you want to flash or use any MHD features. This universal adapter is compatible with E, F, and G chassis BMW vehicles. Features & Benefits Compatible