The French automobile sector crisis is also that of its relational governance between OEMs and their suppliers. Moreover and beyond financial hardship, new needs that appear around globalization, decarbonated mobility, and digitalization of the automobile offer require the industry to rethink its customer-suppliers relationships. In particular, they call for working with "complementors" and create lasting value beyond borders established for decades. The purpose of this article is to lay the foundations for a re-engineering of the vertical partnerships.