they are within 4 months build day of each other. None of the software will interfere with his E39.
we usually get the ubiquitous cannot connect to the EWS error.
my brother has a 2002 530i that we cannot get any of the software to work on. it contains working versions of SSS, BMW Scanner, INPA, DIS. Question: I have a 2002 540it that I have a diagnostic laptop that i use on it.