The only legal way to acquire a WBFS file for Wii Fit Plus is to dump your own physical disc Wii Homebrew : You can use the
The game holds a positive reputation, being praised as a "must-have addition" for its ability to make exercise engaging and addictive. It provides an entertaining way for the whole family to stay active without needing to go to the gym. wii fit plus wbfs link
Allows users to weigh their pets or infants on the Balance Board to track their growth over time. The Role of WBFS in Wii Modding The only legal way to acquire a WBFS
: A standard Wii disc image ( .iso ) takes up exactly 4.37 GB of space, regardless of how much data is actually on the disc. A .wbfs file strips out all the useless padding data (known as "garbage data") from the disc. Because Wii Fit Plus is a relatively lightweight utility game, converting it to WBFS shrinks its size significantly, freeing up space on your drive. The Role of WBFS in Wii Modding :