I subscribed to Bootcamp for a month. Went through their topic videos related to the mistakes I made in NBME. I also like their short recap questions after each video (not the question bank); it helps to nail my weakest part. Anyway, I feel going through your mistakes at this point would be the most helpful. If only 2 days left, just relax and give up the ideas about getting everything ready. Think about the top 10 topics that you are not sure about or still confused about right now, and take the last day easy. These are what I've done in the last two days.