My 2014 Q7 needed a spare key. I have push button start, proximity sensor, and ignition tumbler. I found Daniel from Car Keys & Computers: 971.404.1259 From talking to other lock smiths, the dealer, and my own research this was going to be a bit challenging for the DIY'er. For a much more reasonable price than the dealer and lower than the other guy out there, Daniel had a key cut and programmed in 25mins. I was impressed. The only feature he wasn't able to duplicate was the proximity sensor. But that was going to be a challenge for anyone and I'm ok without it for a spare key. Give him a call if you need a key for your German car.