Personally, I've been looking at this unit for awhile. I still would be very skeptical about purchasing one and certainly would not like to be one of the fist 1000 or so. Quality and pictures can lie as well as performance. Just don't get overexcited and be careful. There is a thread with almost 90 posts discussing this particular head unit. Check it out.

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'03 Carbon Black M5
'04 Silver X5 4.4
'04 MB SL500