There are a lot of people who have never seen the BA SSRM bug because they almost never use those weapons. Well fortunately, I just saw a video of it:
http://www.youtube.com/watch?v=mvjux40VnicA new player to MWLL. Go to 5:05. It looks to me like he only fired one missile, the one in the left tube. Now I can see the arguments:
1) He might have fired both missiles, and the right one didn't go over the bump.
Answer: Maybe, but I didn't hear a second missile streak sound.
2) All weapons fire from the center of the reticule.
Answer: His reticule was still over the bump, and this happens regardless of the surrounding terrain. It even sometimes happens in the air.