IM resident.
Did about the same as the other levels, so ~65th percentile. I crammed comquest in about a month by slamming through questions not reading explanations unless they were interesting. I would get through 40 question blocks in about 30 mins. Did not review any typical stuff like peds milestones or OBG. Like with the other levels, I guessed on literally every OMM question to get out of the test faster and had a predictably bad OMM score.
I had a flight to catch on the second day that got moved up several hours so i zoomed past day 2 and got out like 3 hours early.
I echo all the advice I read before I took my own level 3: it's chill, you'll be good. Use any bank you want to familiarize yourself with CDM and it'll be fine.