Cost To Purchase Bmw Gina Friends BMW's Blue-tooth?

Friends BMW's Blue-tooth? - cost to purchase bmw gina

So my friend bought 2005 BMW 328i. Button on the steering wheel is equipped with a head AA "and wavy lines, which is the same button on my mother's couch G37 Bluetooth connectivity and voice commands. The question is, when you press the button, nothing happens BMW and it is defective or not, a vehicle equipped with the possible use of this feature if you want to make, and if this is the case you would enable or purchase price of a BMW? thank