Hi i acquired a AVIC-z2 from a friend that didn't like it. I am crazy about this thing especially the no cd mountain in my car any more. thanks to this site i was able to attempt the bypass to use the dvd and some navi functions. i am a tinkerer a would like instructions on how to do more.i have a external hard drive. i read about a emulator and stuff. i would like to jump in and find ways to contribute