RNSE navigation Pin Code

[ganimir]

Hello everyone,
Can someone help me with my navigation.
I did big maintend on my wife car audi a4 b7 with navigation RNS-E and I unplug negative terminal on the battery and now the Navigation need Pin code. I read something about Iso CD but also read that this way is risky and can damage the whole unit. So please is any other way to get the pin from it the navigation serial number is AUZBZ7G9921490

[petronijul]

Hello everyone,
Can someone help me with my navigation.
I did big maintend on my wife car audi a4 b7 with navigation RNS-E and I unplug negative terminal on the battery and now the Navigation need Pin code. I read something about Iso CD but also read that this way is risky and can damage the whole unit. So please is any other way to get the pin from it the navigation serial number is AUZBZ7G9921490

from SN only dealer
read dump with programmer and post here

[ganimir]

thanks of the replay i already solve my case :)