the new BMW m5 goes up to a 205mph which is brillinant and 255 brake horse power
The Z3 2.5i can go 140 mph or what ever your wallet can afford for the speeding ticket.
155MPH / 0-60MPH in real life approx 4.9 seconds
The M3, M5 and M6 are all limited to 155MPH. However, if the limiter is removed, the top speed exceeds 200MPH.
A 2004-2009 BMW m5 will do 0-60 in 4.5 seconds and has a top speed of 211 mph. It has 500 horsepower.