Good news – . The Balance Board connects via Bluetooth, independent of the disc drive. Just sync it as usual before launching the game.
Here is a helpful guide on how to manage your Wii Fit Plus files.
The WBFS format is purpose-built for USB loaders. Unlike ISO files (which are raw 4.7GB copies), WBFS files strip out unused padding data. A Wii Fit Plus ISO is 4.37GB, but its WBFS version is often between 300MB and 1.2GB, saving massive space on your drive.
The Wii’s disc drive reads at 3x DVD speed (approx. 10 MB/s). A standard USB 2.0 drive or SD card reads at 20-25 MB/s. Wii Fit Plus loading screens—especially the animated island transitions—are noticeably shorter when running from a WBFS file.
This guide has walked you through the process of creating and using a WBFS file for Wii Fit Plus. By following these steps, you should be able to store and manage your game on a WBFS file and play it from your Wii console. If you encounter any issues, refer to the troubleshooting section or seek assistance from a qualified support resource.