Use code:
G433-XWLD-ZBW8-JWUC-JDSW
Redeeming your Game Code through Origin Client or the web.
If you are logged in, both urls will take you directly to the redemption page.
1.
Go to
https://www.origin.com/us/account
Log in to your Origin account using your Origin email and password.
Select "Redeem Product Code" in the left-hand menu.
Enter your product code on the Redeem Your Code page.
2.
Go to
http://activate.ea.com
Click: "Log in now" under "Already have an EA account?"
Log in to your Origin account using your Origin email and password.
Enter your product code on the Redeem Your Code page.
Original Source:
[EA Origin PCDD] Free copy of Battlefield 3 - RedFlagDeals.com Forums