You have the correct version-- there are not separate USA, European, etc. versions of the navigation operating system. The navigation software release CD is multi-national. The navigation computer's coding tells the nav computer which languages to load from the OS disk and which region (US, Europe, etc.) to use.

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2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input