Scooby SatNav

[Mars]

Anyone got the built-in Subaru SatNav? I have a RAR file purporting to be...:

SUBARU Navigation DVD European Edition v2006-2007 (Kenwood KNA-DV3200 Compatible).rar => 3.63GB

Upon extraction I have the following files:

464210-8180.mdf => 7.05GB
464210-8180.mds => 8.21KB
464210-8180.nfo => 164 bytes

And that's it.

I was quite excited until I compared those files with the ones on my 2003-2004 DVD. There are 15 files in the root and 185 files in the only directory called IDX.

So, not the same then.

Am I missing something? Can anyone with a later DVD to mine confirm the file format please?

Thanks.