Sneak peak at my Cayenne BBK. Got it mocked up to test fit the wheels. Everything clears fine, its definitely spoke clearance not barrel clearance when it comes to fitting these calipers. I can definitely see how 17s would fit over these with the right spoke shape and offset. I don't have them "on" yet because I still need to rebuild and paint the calipers. Also I couldn't drop the car down to ride height because the stock brake caliper was still attached and just resting on the ground underneath the vehicle. Rotor in the pics is a Powerslot GL450 rotor. I grabbed the left one when I went downstairs to do this and didn't feel like walking back upstairs to get it, hence the slots on the rotor are backwards. One thing I did notice was the bleed valves and crossover lines are in the correct position, I don't have to swap them, this is contrary to every write up I have seen. I have been taking TONS of pics and will do a very in depth DIY thread with prices I paid for everything, install instructions etc. so keep an eye out for that. Hopefully I will have this all bolted up and done this weekend.