Bijan 
2007 BMW Z4 Convertible 3.0i 2dr Convertible (3.0L 6cyl 6M)
Roadster
 Great car, love the styling; straight-six sounds great and the manual gearbox is super-smooth. Love the seating position, as well as the interior space with the easy-folding top up. Very nice to drive, the car is very communicative and gives you lots of confidence, brakes are amazing and stop the car with little drama. My only complaint is with the interior build-quality. The one-piece door panels are great, but the steering column is tilted, a cup holder is broken (I don't even use them) and the transmission tunnel plastic trim squeaks when you rest your arm on it. Besides that, everything you touch is of high-quality and just driving it takes your mind off its few squabbles.