I think you need the correct wire harness too, if you want it done 'properly' and for the sake of all the keyboard warriors out there - you'll need to add washer to your front bumper and auto levelling.
To answer your question, yes the xenons are the same shape and should just fit without any brackets of modification, you may need the correct wire harness and possibly vcds coding.
I've not spoken or met anyone whos done it but thats what I know.