1991 Bmw 318i gas mileage Source Source Source Source Source Source Source Read Also: 1991 Bmw e30 318i mpg 1991 Bmw 318i convertible mpg 1991 Bmw 318i fuel economy 1991 Bmw 318i mileage Bmw 318i 1991 fuel consumption 1991 Bmw 318is gas mileage