Up front, it looks like might make some light touchups to the lighting and the front edge of the hood, which are covered by decals. In back, the rear lighting, top of the bumper, and the horizontal piece that is home to the rear Mini badge are disguised, but any changes there will also be very slight.
It's what we don't see in the photos that will get the most important updates. Mechanically, it's possible that a revised turbocharging system and cooling system could help with emissions and provide a small boost to output. From styling standpoint, we can expect a couple of new paint colors and wheel designs, as well as some new interior options and mood lighting.