Bmw z3 m roadster horsepower Source Source Source Source Source Source Source Read Also: 2006 Bmw z4 m roadster horsepower 2000 Bmw z3 roadster horsepower 1998 Bmw m roadster horsepower Bmw z3 roadster horsepower 2006 Bmw m roadster horsepower 2001 Bmw z3 roadster horsepower