Hi Stef,
I noticed this as well and it drove me nuts! After many hours of hacking away I'm pleased to share my solution to the above problem!
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Download Total Commander and install Notepad++ (Both easy to find on Google).
Use Total Commander to edit your Data.zip, I found that to be the easiest way to open data.zip and edit without problems.
Step 1: Open up your data.zip file with Total Commander and navigate to: ui_igo9\common\ui
Step 2: Find navigatemap.ui and open it up with whatever text editor you use, I use Notepad ++
Step 3: Find the line that reads:
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<TEXT class="font_sec bd" left=10% top=63% w=40% h=30% z=100 align="CENTER" fonttype=(sc_GetAdvancedSpeedLimitPhase(%navigation.car.current_speed, %warning.driveralert.speed_limit) ? error_red : speedcam) text=%navigation.car.current_speed visible=(!%warning.driveralert.speed_limit_condition.valid)>
Step 4: Change it to:
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<TEXT class="textpadding font_sec bd" textmodel_speed="navigation.car.current_speed" mode=1 displaypart=2 left =10% top=63% w=50% h=30% z=100 align="CENTER" >
The only thing that doesn't work is that the speed doesn't turn red when you go over the speed limit but hey I can live with that!
Hope this helps someone else with their OCD!!!!
Kind regards
Mac