Playing arround with the new software v7.70 I noticed, that the demo mode ("route simulation") does not work properly - the vehicle goes back and forth on the 'Autobahn' after some km, distance decreases and increases constantly and the route isn't followed any further for hours.
Due to this I reverted to v7.60
SOLVED
Furthermore it looks as if Garmin has released the same software v7.70 for both the 2x5 and 2x5W.
Maybe this is the reason for that strange behaviour: Garmin didn't want to spent to much time for an outdated device and therefor didn't build two accurate releases?
Only Perry's software for the 2x5W did show a different checksum (and size), but this might be related to the fact, that he offers the software for HwID 0827 whereas the others are for HwID 0851.
/SOLVED
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