The bed leveling wizard is for adjusting the physical position of your bed using the thumb screws. It doesn't change the actual commands getting sent to the printer or any of the firmware settings.
So if your print is starting 30mm above the bed, then something else is causing it. Do you have the "start printing at height" option enabled on the Advanced tab? What do you have for your global Z-axis offset on the G-Code tab?
I wasn't able to get the wizard to work as it started way to high but i was able to manually level it. but thank you for clarifying how the bed leveler worked!