You cannot do that.
You can contact ea supprot to get your pw back.
1. go to this link : http://help.ea.com/en/
2. click on "Help with a game"
3. choose your game
4. scrool down to the end of page and click CONTACT US
5. click new case
6. select your platform
7. for topic choose "Gameplay/In-game"
8. on live chat click"Chat now"
9. Explain your issue to game advisor and he will guide your further.
If my answer has helped you I would appriciate you to click XP button on my answer and select as solution . CHEERS.
TeamSix_Cooler -CHEERS
