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Originally Posted by fdX512
i have been following up the threads about the software upgrades and decided to try it...
i have the following display on my nav screen - 4 1/30 which i'm assuming i have MKIV version 23
i have downloaded v28 and v31 but i keep getting error message on my display "incorrect cd/dvd"
Can i get some help, please....one more note - Canadian X5 E53
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You are burning the image file wrong.
Do it like this:
Unzip and place the zip contents into an empty directory on your PC. We'll call this the "BMW OS" directory.
Download and install ImgBurn (
www.imgburn.com)
Open ImgBurn and select "Write image file to disc"
Select the image file in the BMW OS directory
Burn baby burn!
You probably made the mistake of copying the .NRG or .ISO file directly to the CD, instead of burning the image properly.
As you have an X3, you should load 4-1/100 from the V31 OS disc, as this contains bug fixes relevant to the X3.
4-1/100 means software version v10.0
You habe 4-1/30 which is v3.0, 7 versions older, and was released in 2004.
There will be a huge difference in your nav once 4-1/100 (from 2008) is loaded