For sale: BT Tool is in like new condition and has been registered to 1 vin with 2 vins still available. I'm also including the e46 shift knob and the CDV. http://www.bavariantechnic.com/
The CDV is brand new and is the OEM replacement part completely unmodified. You can remove the constrictor yourself if you would like. Plenty of info on the forum about this one.
The e46 shift knob is in near perfect condition, my only complaint about it was that it did come off once when shifting from 1st to 2nd. This is mostly my fault for putting it in a death grip, but I wanted to disclose in the spirit of fairness.
Price is $250 shipped for the entire package. PM me if interested.