i was having the same problem as many of you others. i read a list of the possible problems and i did not know where to start. i have changed many items without success. i finally got around to changing the o2 sensors. this cured most of the problem. i am happy. it still may have a little surge here and there but i would have to say that 75% of the problem is fixed. possibly the computer just needs to relearn these new o2's yet. now the car seems to have better throttle response for taking off in first and right after i shift to second(it an M6). full throttle is no different but i could tell a difference in low rpm situations. i am just updating you all on what fixed my car. also, my car lunging would be more noticable when the car was warmed up and now it seems to be mostly gone after the o2 change. by the way, the passenger side is a son of a B to change. thank goodness that i have a 95 with only two to change.