Borderlands 2 - GPD Editor v188.8.131.52
How to use:
1.) Extract your Gamer Profile from your XBox 360 device using Horizon.
2.) Open the extracted Gamer Profile with Horizon, go to contents and extract the Borderlands 2 GPD [5454087C].
3.) Run the editor, first open the extracted Borderlands 2 GPD then open your extracted Gamer Profile.
4.) Edit your Badass Tokens, Golden Keys, Bonus Stats and save.
5.) Open your extracted Gamer Profile with Horizon and replace your GPD with the modded one.
6.) Rehash & Resign your Gamer Profile.
Borderlands 2 - GPD Editor
Have fun :)