[header] How to unlock dry bowser on mario kart wii [title] Understand how dry bowser is unlocked. [step] To unlock dry bowser in mario kart wii, you'll need to get a 1-star or better rating on all 150cc grand prix cups. Star ratings are determined by a hidden point system that rates your driving, but generally the better you race the more stars you will earn. 
These steps will go over some things to keep in mind while trying to get your star rating up. [substeps] You can also unlock dry bowser by playing 4 , 350 races and/or battles.