not possitive, but I doubt it. If its like harmon kardon good chance it won't just plug in. I know that all the cars (not BMW) that come with those factory bose sound systems have to be completely rewired if you want to upgrade it.
<img src='http://files.unitedbimmer.com/ub.c/RealBmw%2002/Sig_ver2.jpg' border='0' alt='user posted image' />
1970 - 2002
Proud Memeber: 30+ year old car club