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      12-28-2012, 08:04 PM   #5

Drives: 2013 X3 35i Msport
Join Date: May 2012
Location: Ontario

Posts: 88
iTrader: (0)

I believe it functions as a combination of both. Neither work alone and both are needed for full function.

But I see your point. With the lightning adaptor. There is a chip in there. But with the old cables its just a USB, so how does the car know?

I think there is some "magic" happening in that "y" connection....