You can safely delete the word "probably" from that list. If it says "probably no" it really means "no Bluetooth." The author was just being conservative.

Here is the reasoning...

1) The first confirmed BT was found in modules that started manufacturing in September 2004 for the 2005 model year.
2) The list is in BMW supersession order (older modules in the supersession list are not going to have more features than newer modules). Module 84.10-9 12 0844 was confirmed not to have BT; therefore all earlier modules will not have it.

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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