BMW was fined 372.8 million euros by the European Commission, which has dropped most of its charges of antitrust violations for pollution cheating devices

 the European Commission states “that there is no indication of collusion between the parties relating to the use of prohibited defeat devices to manipulate exhaust gas tests.”

So, why doesn't the news state what caused BMW to be fined a fortune larger than the GDP of over 100 countries? 

https://www.bmwblog.com/2021/07/08/antitrust-investigation-drops-most-charges-fines-bmw-372-million-euros/