These selected sites will then be verified and qualified by independent sustainability audits or BMW Group sustainability assessments. Sustainability audits are carried out by external auditors, while sustainability assessments are carried out by BMW Group employees. In addition, the BMW Group uses the following tools to draw attention to possible sustainability impacts in the supply chain: we will continue and intensify these efforts to develop a sustainable and transparent supply chain for natural materials, by engaging and cooperating with our suppliers and NGOs, as well as participating in industry initiatives. It is therefore very difficult to implement sustainability standards from the moment of extraction. In this context, the BMW Group focuses on selected, relevant or critical raw materials and supply chains. . . .