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Originally Posted by balla
alrite ucrew ive got a mkiii with SW 3-1/30. but my X is an Aug. 01 build?
well... u kno betta neways!
nd ano4 ting how wrong cud this go potentially? it betta cost much as i do not want 2 spend neting on fixing it! lolzz.
aite where do i go from ere?
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You will be able to take your nav drive from V17 (3-1/30) to V22+ (3-1/63), which will give you split screen and a few other bells and whistles as well. But you are going to want to do this in stages. And to warn you in advance, although small, there are risks associated with doing this - especially with a MkIII. If an OS load on a MkIII goes bad then the unit is fried. The newer MkIV's appear to have a much improved recovery mechanism.
Before you start you will want to make the following disks - KeyCD, V18.2, and V22. You can download them at
http://bmwnavigation.com/software/Na...tware_Updates/ and use CloneCD (download at
http://slysoft.com). There are tips on how to make the CD at
http://www.bimmernav.com/software.htm.
Once you have the disks ready then you will follow these steps:
1. Go to your vehicle and turn the ignition switch to the first position. Let the navigation system boot up and get into a normal operating mode.
2. Leaving the system on (never turn the power off during these steps!!), go back and eject the navigation CD from your drive unit.
3. Put in the V18.2 disk into your drive unit. Watch your screen and be patient. It will take about 6 minutes to do the upgrade. When it’s done it will eject the CD automatically and should ask you for the KeyCD.
4. Put in the KeyCD and let the upgrade complete.
5. Put your navigation CD back in the drive and make sure everything is working properly.
6. Eject the navigation CD and put in the V22 disk into your drive unit. Watch your screen and be patient. It will take about 6 minutes to do the upgrade. When it’s done it will eject the CD automatically.
7. Put your navigation CD back in the drive and make sure everything is working properly.
8. Check your settings and you should now be on 3-1/63.
Note that once you go to a splitscreen OS you will no longer have the on board computer (OBC) information displayed below the radio station information when you are on that screen. The OBC information is on a separate screen now, which you can get to by hitting the "MENU" button.
