Bild am Sonntag may take legal action against former chairman Ferdinand Piech following allegations that he told senior executives about the diesel emissions cheating scandal the following month before it was exposed. Piech informed then-CEO Martin Winterkorn , and other members of the steering committee of the supervisory board, about the cheating devices in March 2015 , according to reports by Frankfurt 's Winterkorn newspaper. Piech left the firm the following month . The report, without citing sources, said Piech raised the issue with then-Chief Executive Martin Winterkorn and members of the supervisory board’s steering committee in March 2015 - shortly before Piech was ousted as chairman. Piech is also under investigation for his role in the scandal.
Bild am Sonntag may take legal action against former chairman Ferdinand Piech following allegations that he told senior executives about the diesel emissions cheating scandal the following month before it was exposed. Piech informed then-CEO Martin Winterkorn , and other members of the steering committee of the supervisory board, about the cheating devices in March 2015 , according to reports by Frankfurt 's Winterkorn newspaper. Piech left the firm the following month . Piech is also under investigation for his role in the scandal.