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Bemble 01-06-2009 07:24 PM

Confused by .iso files
I own a 2003 Range Rover (i.e. 2001MY BMW X5) which I’ve upgraded to the Mk4 DVD sat nav and it’s currently on V29.1 (4-1/91).

I fancied having a go at my own splash screen & thought I might as well upgrade to V32 at the same time.

So I downloaded V32 from here, unzipped it using WinRAR, unwrapped the .iso file (also with WinRAR), replaced the splash screen using NavTweak and burnt the “13 folders & 41 files” to a CD using ImgBurn at 1x speed.

I put my ignition key in position 1, ejected the sat nav DVD, replaced it with the V32 CD and…...nothing happens. No screen messages, nothing.

So I tried converting the “13 folders & 41 files” back to an .iso file and used first MagicISO, and then tried UltraISO and then ImgBurn (separately!) to burn the .iso file onto CDs. I also tried two different makes of CD. Still nothing happened when I tried to install them.

I’m obviously missing something here, so could I ask a dumb question, please?

Are the contents on the CD identical whether they’re burnt on there directly as the “13 folders & 41 files” or if they’re converted first to an .iso file and then the .iso file is burnt on to the disk? Is there any difference to the finished CD? Does the Mk4 care which way round it's done?

Many thanks for any help.

andy_sim 01-06-2009 08:59 PM

you need to burn the disc from the iso file, not burn the iso on to the disk.

The iso is in effect an image of the disc.

Look in nero or any similar programe and it will have the facility to burn a disc from iso.

Hope this guides you in the right direction. Hopefully someone more competent than me will give you a fuller rundown.


ccfj1 01-07-2009 04:37 AM

Like andy says don't unzip the iso file.

unzip the zip file and then open the .iso file with something like ultraiso, this will then "open" the iso file so that you can now manipulate the folders and files.

Here is a run through

First, you need to download a couple of applications first. (these are not the only ones you can use, its the ones I use, that’s all).

imgburn: http://www.imgburn.com/
UltraIso: http://www.ezbsystems.com/ultraiso/

To mod the splash screen you need this app, (don't forget the GDL libraries).
Navtweak: http://rapidshare.com/files/8925524/navtweak.zip.html

This next bit sounds complicated, but is straight forward.

1: unzip the v32 image to a sub dir on your PC
2: install and open UltraIso, open UltraIso and navigate to /V_2/RR/0101/BMWC01S/app_sw then drag and drop the navboot file onto the desktop.
3: install and open navtweak, then open the navboot file into navtweak.
4: select the images tab, then the rombitmaps tab, and then scroll down to #14 and the right click and replace the image (with a one you downloaded and kept on you desktop).
5: save the navboot file (after making a copy of the original, just in case)
6: drag and drop the modded navboot file back into the open UltraIso image and overwrite the old navboot file with the modded one.
7: save the UltraIso (file, save as) and call it v32-modded.iso
8: install and open imgburn, open the v32-modded.iso file and place a blank CD in your DVD writer.

9:Burn at the SLOWEST speed or the slowest rated for the disc .

10: Go to the car, ignition at first position (radio on etc), wait for nav to boot up, then remove map CD, and insert new OS CD.

Wait for system to load new software.

Do NOT turn ignition off until reload and reboot has been completed.

Roberts your mothers brother, job done.

The nav unit doesn't allow it to "update" with the same software as already installed.

So you already have v32 installed then you can downgrade to v30 then back up again.

11. Enjoy!

If you still have trouble, post up the splash screen you want and I'll make an image up for you.

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