User blog comment:Zephalian/Battlefield 3 Banned in Iran/@comment-203.122.251.113-20111130091526/@comment-220.239.72.192-20111130141747

I believe it's the BtK update. DICE is releasing the MP's the same way they released them in BC2, adding them in a patch, making it mandatory. The After-Patch server filter shows the BtK maps, and automatically sets them as the only ones to search for, at least it did for me