For BMW X5 X6 F15 F16 upgrade Apple CarPlay & Android auto Head unit

Compatible Models: BMW X5 F15 2014-2017 NBT (id4) System BMW X6 F16 2014-2017 NBT (id4) System   User manual for BMW Linux Screen_V1.1： Download How does it work? While the unit (CarPlay Head unit) is inactive, the original video signal is passed unchanged, and your car works as before.After activating the CarPlay Head unit, the CarPlay unit video signal is shown on the display instead.When you reverse the car while using the CarPlay system, the system will automatically switch to the camera without manual operation.You can easily switch system back and forth between the unit and your original head unit.(TIPS: Press and hold the “Menu” key to switch the system) Features: This is a multimedia touch screen with built-in compatibility with Apple CarPlay and Google Android auto. It will replace your OEM screen and add the following features to your car: Apple CarPlay (wired and wireless) Android Auto (wired and wireless) Play video or music from USB The head unit Built-in mic