Gas mileage for 2003 bmw 525i Source Source Source Source Source Source Source Read Also: 2003 Bmw 525i gas mileage Mpg for 2003 bmw 525i 2003 Bmw 525i mpg 2003 Bmw 525i wagon mpg 2003 Bmw 525i sedan mpg 2003 Bmw 525i fuel economy