You should post to the mobile electronics forum for info.......

Mobile Electronics Forum - Xoutpost.com

Also, input Alpine ILX700 in the search function. That will give you a list of all threads that have discussed that unit.

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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!