I have a 2004 M3 with BMW assist and cell phone pre-wiring. It has the microphone next to the sun roof switch as well as the steering wheel phone controls. However, it does not have a pairing button. I do seem to have the silver box in the trunk as well as a card in my owners manual with the BMW passkey. My car has a production date of 09/2003. From what I gather, although I have these items, 09/2003 was too early to include Bluetooth. Is this correct? I know this question has probably been asked, but please forgive me as I am not very familiar with the electrical systems of these vehicles. Any help or guidance would be appreciated.

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Profeshenal spellar