The 2005 BMW 330 is available as a 4-door, 5-seat sedan. Starting at $35,700, the 2005 BMW 330 RWD Sedan is powered by a 3.0L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 30-mpg on the highway. The top of the line 2005BMW330RWD Convertible , priced at $ 44,600 , is powered by a 3.0L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 19-mpg in the city and 28-mpg on the highway.