BMW dealer sells the current version V32 (AFAIK) for less than 15 USD. Can't remember the part number, but ask for the V32 disk, not the map disc(s).

I'm out of town at the moment. If no one chimes in within the next two days, I'll get the part numbet for you.

Upgrade is easy.

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2002 X5 4.6is, Black Sapphire on Black
1997 328is, Black on Gray
2003 SL500, Black on Gray
UH-1H Helicopter, Yellow