No, it won't work. You will need to go back to an older version of the release disk. The V31 and V32 release CD have the same OS version (10.0) for the MKIV nav computer.

When you do get your radio split screen view, it will be the same as the split screen view when you view OBC, for example. So yes, it will show the turn instructions on the right pane.

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2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input