No, none of those would be hurting your homebrew.
Why do you think you need 3.2? That's a whole lot of trouble and it sounds like you just think you need it because your read some 6 month old guides that say you (did).
Look at the Wii. The serial number is clearly visible from the outside, you dont have to take anything part. If you don't see a big number starting with LU64/LU65. Then.. it's not.