I found this on the v28 post and used it to load the v29.1, just replaced the v29.1 file where it said to use v28. I think Shoimin wrote this, Thanks it helped me out. It worked fine no problems at all. I went from v27 to v29.1 and loaded first try. Now if I can just update my dvd nav maps as I have the 2005.2. Thanks again to Shoimin and all the great info here at X5World.
Taken from Shoimin's POST: 09-19-2006 at 02:46 PM
"1 - I used two programs: WinRAR from <http://www.rarsoft.com>
www.rarsoft.com and ImgBurn from <http://www.imgburn.com>
www.imgburn.com. Just install both with the default options.
2 - Download from the megaupload link from above by clicking it, entering the three digit/letter alphanumberic verification code in the space provided, and submit. Once done, wait about 45 seconds. Some ads will probably pop up, obscurring the download link, so just close any windows or floating ads by clicking the 'x'. Click download at the end of 45 seconds and save to disk.
3 - Right click the file that just downloaded, and select 'extract to bmw v28\' and wait a minute for the program to decompress the two files.
4 - Open ImgBurn, insert a CD into your burner (and wait while it spins up0, and under 'Source' click the icon for 'Browse for a file'. From there, point the file browser the location of v28.mds, which was performed in step 3.
5 - I burn max speed, but generally a slower speed results in a more stable burn, so I suggest burning at the minimum speed. Click the giant burn button and let it do its job.
6 - Take the finished cd to the car. I turn the key to the first position and let everything boot and stabilize. I then eject the Navigation Map, insert the cd, and sit and wait in the car. The process claims to take 6 minutes, but it feels far less than that. Once the process finishes, the screen will tell you to remove the cd, which you should and insert back the map disc. Give it a minute to reboot, and it should have finished."