I bought a bluetooth module w/the VR module built in for my '04. Was your bluetooth a factory/dealer installed module? It sounds like you need to buy a separate VR module. The install is pretty easy. I think there's a posting on the home page that deals specifically with the install.

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'06 X5 4.8is, TiAg/black, cold weather pkg., comfort seats
'07 750Li, TiAg/black, sport pkg.
'05 Ford F350 silver met./slate gray, Lariat, 6.0 PSD, CC, DRW, FX4