Also are there any other parts I need to go with the system? I heard I also need the gong. I saw on other threads that it's under the dash but not sure if they are talking about the PDC gong or the normal gong. Or am I confused and the current gong in my car can be used for PDC?
Thanks
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Len
'04 X5 3.0i -- XTRONS 10.25 in HU, OEM tow hitch retrofit
'95 525iT- WIP
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