you will need
1. sticker remover liquid.
2.hair blower
3. rubber spatula
4.rubbing compound

lets say you are going to remove the G35.( Do one letter at a time)
-get the hair blower and set it the the hottest setting,aim to the G for a good 2 minutes. then pour some of the sticker remover.. apply a little bit of more head and insert the spatula under the G..it should come off easily...

repeat on other letters.
after your done clean with water and apply rubbing compound to remove any swirl that is left.