extra cash at beginning of the game
If you have Need for Speed Underground 2 installed on your PC, you will get 40,000 dollars instead of the regular amount of money that you would normally get.
Burger King Challenge
At the start screen type in Burgerking. Once you complete the BurgerKing challenge you unlock all the junkman performance parts.
Ford GT Castrol Car
At the start screen type in Castrol.