1991 Bmw m5 horsepower Source Source Source Source Source Source Source Read Also: 1991 Bmw 850i v12 horsepower 1991 Bmw e30 horsepower 1991 Bmw 318i horsepower 1991 Bmw 535i horsepower 1991 Bmw 325i horsepower 1991 Bmw 5 series horsepower