What is the part number of your TCU? Check it against this list... if it is not one of the modules confirmed with BT, then you do not have it.

http://www.bimmerboard.com/members/p...artNumbers.pdf

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SOLD
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