Here is a discussion regarding v32 http://www.xoutpost.com/navigation-sy...?highlight=v32

Here is SIB v32 http://www.xoutpost.com/navigation-sy...n-v32-sib.html

Shortly:

Current Software Versions
Software version
Application
8.0
MK I - E39, E38 (up to 9/97)
8.1
MK II - E39, E38 (from 9/97), E46, X5
9.0
MK II - Radio Navigation – E52 (Z8)
5.1
MK III Radio Navigation – E52 (Z8) from 09/00
3.1*
MK III w/o Split Screen -E46 from 06/00, E39,E38 from 09/00, E53 from 10/00
6.3
MK III with Split Screen
10.0
DVD-Top Navigation
7.3.2
E65, E66 NAVI01 (CD-drive)
8.4.4
E65, E66 NAVI02 (DVD-drive)
09.08.02
E65, E66 NAVI03 (DVD-drive)