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Upgrading In Car Entertainment System / Screen (lemmy.world)

submitted 2 months ago by [email protected] to c/[email protected]

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Hope this is ok to ask here - apologies if not.

tldr - my car has tire pressure senors, oil monitor sensor etc all controlled via in the car display system. If I had this changed with a non-oem aftermarket display, do I need to specifically look for one that supports vehicle status sensors? Or is it a matter of just connecting it all and the display will have that information? And will the built in controls still function?

additional context -

I have a Mini Cooper S 2020 F55 with what I believe is a BIS entertainment/in car system. I want to change it out for one that has carplay. When I look online, read any forums, they’re all discussing how to swap the BIS with an OEM mini headunit etc (NBT/EVO whatever). Replacing them looks incredibly expensive - nearing £1000 for everything.

I want to retain all existing functionality - the vehicle status like oil and tire sensors etc.

I have looked at the wireless carplay interrupt units which can add carplay without replacing the display/head unit however it doesn’t seem there is one available specifically for the BIS unit.

Does anyone have any experience or advice? Thanks!

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[–] [email protected] 1 points 2 months ago

Oh, yea, you can pull all sorts of stuff from OBDII, because it's a standard.

Even then the different manufacturers like to hide data by using the custom fields of OBDII. Frankly I'm impressed that many readers today can get those custom fields (see things like the Torque app, and Bluedriver OBDII reader).

I think the more challenging part would be any controls in the head unit. I have one car that uses the head unit to control heat/AC. Figuring that out would be a bitch (though possibly not that bad, I'd have to simply look at the actual components, like the vent door solenoids and the heater control valve).

It would be a lot of work, and I'd worry about hitting a real roadblock.