The BMW M3 323i Does not exist.
It depends on which model you are referring to.
155 mph
top speed of the E63 bmw m6 is around 211
it goes 50000 mph
217 mph
It all depends on the engine
160 mph
the new BMW m5 goes up to a 205mph which is brillinant and 255 brake horse power
fast?! too fast!!!!!!
The Z3 2.5i can go 140 mph or what ever your wallet can afford for the speeding ticket.
i had mine up to 130 mph but it didnt fell good need a hard top for driveing fast