Further to the changes at BMI, it now looks as if their cheap fares still earn miles until January 1, rather than November 1, if a couple of threads on the BD forum are anything to go by (
http://www.flyertalk.com/forum/showthread.php?t=472202)
But given that they don't seem to be in any hurry to tell their own members what's going on, I doubt that they will have communicated this to Mileage Plus, so it may not make any difference. Watch this space...