It sounds to me if you want the more extreme side of styling on these cars you can look at the Rowen kit, or the duke dynamics widebody (no completed pics are available yet to my knowledge).
http://www.rowen-tk.com/carlineup_en...gallery_en.htm
http://www.dukedynamics.com/products/bmw_e89.php#
http://www.bimmerkit.com/shop/index....-widebody.html
The duke dynamics kit is available in full carbon fiber.