Aftermarket BMW 7 series E65 E66 Navigation GPS base on Android 9.0 (4G RAM+64G ROM optional),support factory CCC and iDrive system, support Apple Carplay.. Buy here: hifimaxnavi.com/products/andr...
If you want to have more clients you should install it on a car. Find a person to hold the camera and another one that speaks better then you. If people see how it works, you will sell more of them.