Yes, the Bluetooth and voice recognition are in the same module with your car. That is an odd set of symptoms. It sounds like the module has died. However, if that were the case, I would not expect to see the phone paired. That may be a trip back to the dealer to have them take a look.

Do you know what kind of BT module you have? Is it the ULF module or a Bluetooth-Assist module?

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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