should i buy a 2004 BMW 530i or a 2006 530xi sport wagon
Depends, do you want a sedan or Wagon, RWD or AWD?
I'm with Tom on this one, it's going to depend on personal preference and if you need the utility of AWD where you live.............
I would go for the wagon but really the best way to determine which one to go for is by assessing their maintenance records and especially get a Pre-purchase inspection done by a reputable unbiased shop to see which one is better.
Looking for a Used 5 Series in your area?
CarGurus has 15,987 nationwide 5 Series listings starting at $1,700.
Search BMW 5 Series Questions
BMW 5 Series Experts