"BMW raises the performance benchmark once again with the introduction of the 2008 M3 Sedan. Sharing the M3 Coupe’s high-revving 414-horsepower V8 and balanced chassis that is designed to be "faster than its engine", the motorsports arm of the German auto maker, BMW M GmbH, is pleased to offer the most powerful, highest-performing M3 ever with four doors..."
This is from a new review on 2008 BMW M3 Sedan, from Top Speed. It includes info on the design, safety and performance of the model, as well as other features. Also available is a video and wallpaper / photo gallery.
Here is the link to the full article: 2008 BMW M3 Sedan - Top Speed
And the link to the picture gallery: 2008 BMW M3 Sedan wallpapers and high resolution photos - Top Speed