Very nice pics!
Could you give us your feedback after some time spent on your Z4, especially with the leather.
Why am I asking that? Because during the Geneva motor show, I sit to the new Z4 (I was on the first day) same as yours (excepting it was a 30i, but esthetically and the interior are the same), the leather started to be blue thanks to jeans of people sitting on it... So I'm considering buying depending on feedbacks from those who have them
Enjoy your car!