There are two - Business and Professional. Business has a crappy little screen and no hard drive, Professional has a big 10.2" high definition widescreen with more functions, a built in hard drive, better resolution, etc.
If you want a 520d, then yes, thats what you should aim for at £25k. Or spend less if you want older.
530d wise, 21-24k should get a nice 2010 530d SE.
If you want a 520d, then yes, thats what you should aim for at £25k. Or spend less if you want older.
530d wise, 21-24k should get a nice 2010 530d SE.