thanks everyone. My ONLY concern is the roads in Houston are not the best... I did have 21's on my 750Li and found myself playing "pothole dodgeball"... but I think the soft suspensin on the 7 contributed to the harshness... if that makes sense.
2013 X5 M
2011 Taurus (gets parked up front with the Lambos)
2008 Cessna 400