Mario Kart Wii Glitches

Always get first place racing online
During the start of a race online, finish a lap and quickly disconnect and reconnect your router or USB cable connected to your wii that obtains a wi-fi connection. Then wait a little and the race will end and you will get the points normally obtained by the person in first place.

Example- Start race, finish a lap, disconnect and reconnect router, race ends, you obtain Driver points as if you got first place even if you were in last place. You can keep doing this until you get max driver points.