also...

Any tips on how to proceed once I get the file downloaded? Put it in laimen's terms for me please. I know to burn it to a disc, but any setting I should be aware of before burning?

Also, is there any procedure to installing once I get the disc written? I've read tons of posts where people had their NAV system deemed useless after trying to update. I don't want that happening. So any advice you guys can give would be greatly appreiciated.

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Current Bimmer
2004 X5 4.4i Sterling Grey Sport/Premium

Past Bimmers
1991 318I Alpine White
1995 740I Alpine White
1991 525I Schwartz
1998 323IS Scwartz
2004 330CI Cabrio Titanium Silver Metallic
1995 540I Schwartz
2000 Z4 3.0 Titanium Silver
2000 330ci Coupe Titanium Silver