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there's a process that gen5diy goes thru to flash a new hmi unit for your car's specs and/or override similar car's hmi programming with your car's vin.
I think if they could update the hmi to allow a 7->8 screen upgrade - they would advertise that even if they didn't have a kit to include the necessary hardware. But they dont.
I dont think it'll be as simple as just getting an 8" hmi pkg from them and throwing the right cables and screen on it and having it work - but it might.
To test the theory, it'll only be about a 1500-1600 dollar investment (that could be entirely wrong and give you some nice paperweights (though you could re-sell the screen at least for whatever you managed to get it at off ebay)
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