this is the only option are doing
Audi Universal Phone Cradle - Stoke Audi Parts
to connect yourt iphone 5 to it, you use your iphone 5 usb cable
i currently have the Audi hands free iPhone 4 cradle, only had it since October but I have now got an iPhone 5 and I was wondering if there is an iPhone 5 cradle, with the option of p/x of my iPhone 4 cradle??