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Discussion Starter · #1 ·
I have the following (Euro RNS-E) in a car that I bought with the unit installed. Everything currently works and I do not have any dvd's other than what is in the unit (2006 North America). Engineering more gives:

SW X---
HW Index: H44
Map database: NN0409
HU Nav: V220057B
SN AUZB27C0001084

Questions: Can I load the 2007 NA DVD? Will it upgrade the SW? What do I need to do first?

I have read through the posts but remain confused. Thanks.
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