Yes, it looks promising. Thanks

Last time I got them, it was via web interface (maybe in Dashboard), there was update device button and these additional vehicles were there.
It was Sportscar-[color].sfr...
Also the version reported on web can be calmly different from variant of bitmap..., so it isn't problem.

However those RGN files :/, I tried to open them in RGN Tool, but I wasn't successful...