BMW is going techy for its Z4 Roadster, as it has launched a free to download game for the Apple iPhone and iPod touch. The game is inspired from their "Expression of Joy" campaign. Its not as such a game, its kinda application in which you can draw shapes by driving the Z4 Roadster. You can customize the Z4 Roadster, by choosing different colors and body parts. You can see the video below.
