I don't think you can just use an AP from car to car. Once you program it to your car's ECU it becomes "Married" to it and can only be seperated by a hefty cost from Cobb. Otherwise one person could give all their friends free tunes.
im in granada hills, but im stock, no money for mods yet, but down for a meet.. i have a bunch of friends with gti's r32's m3's etc...