The 2003 BMW 525 is available as a 4-door, 5-seat sedan. Starting at $39,300, the 2003 BMW 525 iT (M5) Wagon is powered by a 2.5L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 19-mpg in the city and 27-mpg on the highway. The top of the line 2003BMW525iTA (A5) Wagon , priced at $ 40,575 , is powered by a 2.5L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway.