The company mentions assessment of potential suppliers.

pg. 5

"In the period under review, we assessed 3,220 (2019: 3,92112018: 4,168) nominated and potential supplier locations on the basis of the industry-wide sustainability questionnaire. Our focus is on suppliers with a large tendering volume. Therefore, the evaluation included 98% (2019: 95% / 2018: 97%) of suppliers of materials required for production with a tendering volume of more than €2 million from BMW AG, as well as 56% (2019: 72% / 2018: 80%) of new suppliers of materials that are not required for production with a tendering volume of more than €10 million from BMWAG."