What version are you on now? (Go to your setting screen and read the number on the upper right of the screen.) It is possible that you are already there.

If you are not on V27, you can easily do it yourself through the downloads here.

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SOLD
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

im on 26, i cheked no perspective

I tried it an indirect way by telling them that I had some problems with my NAV drifting off the map at times. They told me that they would need see the problem first hand before they can take any steps to fix it. Basically, they won't perform an upgrade unless they think it will fix a problem confirmed by them. They could not replicate the problem so they did nothing.

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2003 X5 & 2000 323i - I Love my Bimmers.