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Old 08-14-2006, 04:10 PM
Join Date: Aug 2006
Location: Luxembourg
Posts: 3
KaSt is on a distinguished road
NavTweak vs GifExtractor

Hi all,
first of all must admit I'm a spy in X5 world.
I don't own an X5 but a Z4 and as they share the Navi Software I am here to learn from you.

I recently updated my Z4 to V27 on my own, following your advice, as my dealer didn't want to do it. "No sir, we can't, new software isn't compatible, we don't have it..."
So, downloaded V27 and flashed on my own.
Now I would like to proceed to next step: V27.1 + Own Splash Screen (Boot Logo).

Here is where I get a bit stuck and I'm not that "hero" to try risking to get my Navi System fried.
I have created a new logo. It meets the specifications found in this forum.
I downloaded both GifExtractor and NavTweak.
I read all the posts I could using the Search function of this forum but still have some questions:
when I modifiy the Splash Image with GifExtractor, when I open the NAVBOOT file with NavTweak the Boot Logo and some other images get corrupted.

When I modifiy the Boot Logo with NavTweak, got no warning on image size (it's 12Kb) and GifExtractor can show them properly.

Now, my question is: Can I believe NavTweak and be sure the NAVBOOT file is still fine or do I really need to use GifExtractor to change the boot logo and try till it get's showed properly?

Thanks guys for your help,
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Old 08-15-2006, 02:39 PM
Join Date: Aug 2006
Location: Luxembourg
Posts: 3
KaSt is on a distinguished road
To answer my own question,
yes it worked. Took V27.1 as a base and used NavTweak to change both the Boot Logo with a customised one (replacing BMW with the BMW Logo and typing in Z4) and used both arrows and POI icons found in the NavTweak thread. Thanks to the authors for excellent software and much nicer graphics.

Pretty happy now.

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Old 08-15-2006, 02:51 PM
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Join Date: Mar 2005
Location: Hockeytown, USA
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Old 08-20-2006, 07:44 PM
Join Date: Aug 2006
Location: miami
Posts: 8
jaza45 is on a distinguished road
where do I get navtweak and gifextractor I would like to try this
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Old 08-21-2006, 02:45 PM
Join Date: Aug 2006
Location: Luxembourg
Posts: 3
KaSt is on a distinguished road
NavTweak is here a in the "Sticky Threads"... Go directly for that one as it does everything.

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