A:AnswerIt does fit the E53 X5 according to the fitment guide. You can also buy an App called IBUS and see all of the functionality you would see on the stock head unit. Search IBUS to find the app.
A:AnswerThis one does not have a cd/dvd drive. I also thought of that and got a fire stick installed with it, since it has an hdmi connection on the back. You can just use your hotspot To watch.
A:AnswerYes, you can plug it to obd2 and I will give you information about your vehicle and depending which other accessories you have it will give you the option of controlling them.