The BMW M3 323i Does not exist.
155 mph
It depends on which model you are referring to.
200-300 miles
top speed of the E63 bmw m6 is around 211
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.
it goes 50000 mph
217 mph
as fast as you can make it go or if you get pulled along by a car on 1 you can go as fast as the car can go
It all depends on the engine
160 mph
the actual car is not fast, it is the human driving that decides to make it go "fast"