Bayern stumble into last 16
Bayern had a number of chances in the first half before Dutch striker Roy Makaay gave the 2001 winners the lead on 42 minutes from a penalty after Anderlecht defender Michal Zewlakow had brought down Claudio Pizarro.
Anderlecht enjoyed sustained pressure on the Bayern goal in the second half, pacy forward Aruna Dindane twice going close in the 70th minute.