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

submitted 4 months ago by [email protected] to c/[email protected]

6 comments fedilink hide all child comments

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] 0 points 4 months ago (1 children)

Good luck is my best answer.

You'd have to find out exactly how each subsystem works, and reproduce that to the extent it's provided by the factory head unit.

Take the TPS - how much of that system is integrated into the factory unit, or does it just display data retrieved from the TPS system? If it just retrieves that data, how does that interface function? Does it run over CANBUS, or does it use a point-to-point connection with custom signaling?

You'll have to figure this out for everything controlled by the head unit.

I really doubt this is a realistically achievable goal.

[–] [email protected] 0 points 4 months ago

Thats pretty much what I was expecting really. The only other thing I have noticed that is semi related - others have done mods (different cars entirely) to have ODB hooked up to the display. I believe I can get tire pressure etc from ODB; possibly theres a head unit that connects that up.

thanks for the response!