Bill 
2006 BMW Z4 Convertible 3.0si 2dr Convertible (3.0L 6cyl 6M)
A Year Later--Still WOW
 Ok, my first review was Feb 2007 and at that time I was wowed by this car.  A year later, living in Germany, this car absolutely rocks.  On the autobahn this ragtop can cruise as fast as the others (135mph our top speed so far).  But we prefer to take the top down on a sunny day and slow- drive in the right lane as everyone looks.  It is that hot.  We knew we were coming to europe when we purchased but I can truly say that the Z4 was designed with the autobahn in mind and is super cool to drive.  Its handling is absolutely on point.  It is truly the "roadster" it is purported to be.  Hands down, she wins!