I think you have a fuel problem. either a fuel filter clogged or a fuel pump that doesn't do the job. any other reason I might think of comes with an error code but you say there are no codes. I know it must sound stupid, but do you have gas in the tank?
I would try to disconnect the battery for 20-30 minutes. The electronics reset and you might get lucky

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2012 X70 XDrive 35i