Originally Posted by brian5

I don't have iPhone yet but installed the adapter in my 2008 X5 for my current RAZR. Installation was more difficult than I expected, as I didn't want to take the whole console apart, and there is now a cable, that is hidden by the adapter, exposed in the center console.

Why did I go to this expense and trouble? Because I have AT&T in Connecticut (like you) and was not getting enough bars on my phone. I now get an additional 2 or 3 and typically show 5 bars.

One does lose a lot of space in the center console but I decided that I could live with that. I would not do mod this if my phone reception was better.

And, there is no link to or controlling through iDrive. It still connects via Bluetooth but the advantage is that you are using the car's antenna.

Here's a good article to read about the BMW iPhone snap-in adapter

I have to start looking into whether there will be a snap-in adapter for the iPhone 3G...