Hi, Rares
If your car does not have wired carplay, maybe the one Im using does not work for your Audi A8 2007.
https://carlinkitcarplay.com/products/carlinkit-wireless-adapter-for-factory-carplay
To get Apple CarPlay on a car that doesn’t come with it, there’s one path: you need a new head unit which supports CarPlay. And then you can add a Autokit to get wireless carplay.
https://carlinkitcarplay.com/products/carlinkit-wirless-adapter-for-android-head-unit-support-carplay-and-android-auto