Retain OEM Function &increase Android systems: Retains all the functions of the original car system as well increase the functions of the Android system, which greatly improves your experience; Retain and compatible the original radio features such as iDrive Knob control, Bluetooth , Radio, OEM rear camera , Radar, steering wheel control. The speed, fuel level, oil pressure and safety warning are displayed on the screen now. Download the third APP&HD Touch Screen:10.25 inch HD touch screen with 1920*720 IPS screen,display the projection screen in HD, supports 1080P video playback .Enjoy high definition movie and TV festivals compatible with multiple video formats.You can install kinds of APP,such as google map,Yutube,Spotify and so on. Wireless Apple CarPlay & Android auto&USB Multimedia Playback:Apple Carplay & Android Auto: Via Bluetooth to connect the phone and the radio together, then you can use most mobiles functions via device. With this function you can use gaps, send and receive message, enjoy music ,watch videos and so on. Keep driving safety.Or Use the USB flash disk to play music and videos by connecting to the USB port of the Carplay kit. Qualcomm Snapdragon 665:8core CPU, Android10 OS,Operating Frequency Up To 2.0GHz.A stable and mature version makes your every tap is responsive.Support the external SIM Card ,you can use 4G NET,and 2.4 G&5G WiFi smooth and without hassle. Compatible Car Models&Years:It is compatible with BMW 3 Series 4 Series F30/F31/F32/F33/F34/F36 (2013-2016) &BMW M3 F80(2014-2019)&BMW M4 F82(2014-2019) with NBT system.Please refer to the second photo to confirm NBT system you have.