'97 523i. Bought in 2003 at 44k, sold to a friend at 144k in 2010. Last heard of in 2012 at >180k.
'00 523i. Bought in 2010 at 40k, sold to my brother at 88k in 2012. Now in low '90's.
'02 530i. Bought in 2014 at 85k. Now at 97k.