The top speed of a M5 is at 155 mph electronically limited. The car will go faster, but the engine computer cuts off the fuel after 155.
The Z3 2.5i can go 140 mph or what ever your wallet can afford for the speeding ticket.
The M3, M5 and M6 are all limited to 155MPH. However, if the limiter is removed, the top speed exceeds 200MPH.
155MPH / 0-60MPH in real life approx 4.9 seconds
I looked on one and it said 180 mph so 180 lol ---------------- The new model M3s (E90/E92/E93) all have a limited top speed in the U.S. to 161MPH, though delimited with a chip, or in Europe, they...