These presets utilise some of the built in Camera profiles that are available in Lightroom when you are processing RAW files from the X-Series cameras. They will not work well on JPEG images, you must be shooting in RAW to be able to take the full advantage of these presets.
There are 12 Free presets in this pack that you can download and install.
Download presets X-Series Presets (725 downloads)
You will also find the installation instructions bundled in the zip file. Or you can check out the video below.