User blog comment:Bovell/Lots of new Battlefield 3 details via Twitter, DreamHack festival, PSM3, and interview/@comment-28584497-20110624022614/@comment-124.182.54.4-20110624085714

Yeah, the Bad Company series and 1943 were "Betas-ish". Bad Company 1 was testing the Frostbite engine. 1943 was testing Planes and Wake Island (:D) for the consoles. BC2 was testing FB on the PC and to give the PC a new BF game.