Is there a workaround to the constant left right banking? Is seems as though the autopilot is struggling to stay on course. It is a constant, slow oscillating roll of 2-3 degrees left and right. Reminds me of early in the sim when flying jets on autopilot. I have experienced this in the Baron, 172 and SR22. I keep uninstalling the NXi and going back to the default g1000 because of this. I did some further research and came up with this old post:
Just like in this post, if I switch from Nav mode to HDG, it goes away.