BimmerTech.... Nice job and good luck with the sales.
All.... Their web site show just over $2K for the unit and fees. I am not sure what it would take to install this, if coding is required and if the odometer would need to be changed to match your miles or is the car would automatically do it for you. And, if your car is under warranty how would BMWNA treat this mod?
IMHO, that is a fair price for a mod like this if you want it. Just some additional questions need to be answered.