1. There are 2 separate DATA.MIX files (Moto2/MotoGP and Moto3) so please make sure to use the appropriate one depending on what class you race in.
2. Use MixFile Remixer for the PILOTPIC folder, extracting your existing GFXPAK.MIX and overwriting that same folder within GFXPAK/PICTURES/PILOTPIC. This step ensures that you have all the current avatars for 2015. (Maria Herrera, Quartararo, etc)
3. Use MixFile Remixer for the MENU folder extracting your existing MENU.MIX . I have only provided the DB.ZTS file, so make sure you place this file within MENU/TEXT/UKENGLISH or whatever language you play the game in. This will ensure you have all the 2015 team names (CWM LCR Honda OPEN, OutoxDrink Team, JPMoto Malaysia, Leopard Racing, etc.)
4. Use MixFile Remixer for the CONTENT folder extracting your existing CONTENT.MIX from DLC01. Make sure it is DLC01. Then place the DB_PILOTS and DB_TEAMS files into the CONTENT/DATA/DB folder overwriting the existing files.
5. A.I. Drivers file is there just as a backup. It is obviously present in the DATA.MIX files (so are the DB_PILOTS and DB_TEAMS for the DATA folder of course)