User blog comment:PFC Arkalis/Update: BF3 Pre-Order Bonuses and Open Beta FAQ announced/@comment-1017446-20110804043922/@comment-5524047-20110805234045

As stated guides only work for single player. Fallout: New Vegas's guide contained so much inaccurate information it was almost unreal, but most guides are written before release and devs do have a nasty habit of changing things.