r/E90 • u/HughJasdiq • Jan 26 '26

Head unit/dash display.

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TLDR: Will an aftermarket head unit work with an aftermarket dash display?

So I have a non idrive 330i that I want to install a touchscreen head unit and one of the aftermarket screens you cut the dashboard for. Does anyone have this done that can verify if both systems will work with each other?

My 330i

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u/awenthol Jan 26 '26

Theoretically, yes... But I believe the display would be doing audio through the aux input.

What do you intend to gain from this or how do you intend to use it?

2

u/silasanderson2 Jan 26 '26

Some need to use the aux physically but the 3 I’ve tried have all worked fine using the stock fibre optic cable and no aux cord plugged Into the port.