Companies like Lamborghini (not sure if they do now that Audi owns them) source parts from lots of other cars. I know a guy building a lamborghini 'kit car' trying to use as many OEM parts as possible. It's amazing the list he has of what things are sourced from what cars. The power windows switches are from a Passat IIRC, and other things like that. Saves them from having to design/source building for small things they can just buy in bulk elsewhere that already work.
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