Here's a Carlos Lago video review of the M235i (N55 engine), which is a little behind the performance of the current M240i (B58 engine).
https://www.youtube.com/watch?v=hPy0T3Fojt0
One of the wins in my deal with the spouse on her Boxster is I get an LSD for the 2, which I miss from my M3C. Will add that in the fall when I swap out the summer tires.