Unfortunately, Mini ONE no longer starts. Who could help me, have ISTA and INPA?

Hello together Alex my name unfortunately starter mein Mini one nicht mehr bj 2010. habe inpa und ista können Fehler lesen aber mehr nicht mehr gefahren nicht so gut aus. It would be great who one knows each other and could give me help about Team viewer e.g. come from Cologne many thanks it is someone who is looking for it.