hello everybody. i have a 1990 535i and am considering trading it in on a 1998 328 convertable automatic SOHC 6cyl. the guy said he might take a straight up trade, mileage on the 3 series is unknown but my 535 has 330k miles, is lowered and has a 5spd. both are black. would this be a good trade in terms of having a reliable quick good handling car? i'd hate to see my 535 go, but the 328 is much newer.