This can be applied to other things not just BMW and the X5.
Take for example pc hardware which say retails for $200 in the us would be £200 in the uk when it should be £100 based on the current exchange rates. Also you have to take into account the import tax and vat countries apply which can be much higher in Europe. I also think that BMW are having to compete more in the US as the SUV market is much thougher than in many other places. I guess as long as they know they can get away with these prices and were willing to pay for them then they which continue.