* Screen replacing for BMW E81/E82/E87/E88 (2005-2012) CIC /CCC with original OEM 6.5inch small screen or NO Screen, no need reprogramming or coding and cutting cables. * Retain OEM autoradio functions after screen upgrade, such as radio ,bluetooth, rear view camera, radar , steering wheel control, iDrive knob control, etc. * iDrive knob is optional, Cut panel diagram is included for car NO Screen * Both android and original audio system work on car with easy switching. * Enjoy your way with big BMW screen and multiple audio functions. * Wireless Apple CarPlay, Android Auto * 4G LTE or Wifi network * Bluetooth handfree call * GPS Navigation * Music and Video playing