So I bought another new copy of Battlefield 3 so I have an extra online code. Dunno if it works with the recent removal of online codes but here you go! :
Battlefield 3 Cheats and Codes for Playstation 3 | Cheat Happens
PS3 Cheats - Battlefield 3 Guide - IGN
Save 80% on Battlefield 3™ on Steam
Battlefield 3 Shooter Region Free Video Games for sale | eBay
Free: Battlefield 3 - "Premium Edition" Full Content Voucher - DLC (Sony Playstation 3, PS3, PSN) - Video Game Prepaid Cards & Codes - Listia.com Auctions for Free Stuff
Battlefield 3: Close Quarters | Battlefield Wiki | Fandom
FREE Battlefield 3 on Origin! [UNLIMITED] - Deals + Giveaways - WeMod Community
BATTLEFIELD 3 PREMIUM EDITION (PS3) | eBay
PS3 PLAYSTATION 3 - Battlefield 4 - Action / Shooter - Complete - Free Postage $7.95 - PicClick AU
Amazon.com: Battlefield 3 - Playstation 3 : Everything Else