| First, go to the setup menu on your nav screen and post the numbers in the upper right corner in full.
Once you do that, we can determine if you have a MK3 or 4. If you have an MK3 you need to buy the high CD from BMW, if it is a DVD unit, you can buy the High DVD from them.
Once you get the updated disk, you can make your own disk to add POI. However, this will only work with the DVD, not the CD as there is not enough space. | 
