1. Press Win+R to open Run dialog, paste this path and run: %userprofile%\AppData\Local\b1\Saved\Config\Windows
	(Or open Windows Explorer and paste the path into the address bar)

2. Find Engine.ini file and open it with Notepad

3. Open BMW_Performance_Tweaks.ini (or BMW_Quality_Tweaks.ini), copy and paste the content of the file into your Engine.ini then save it

4. Enjoy