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Nintendo DS - Need For Speed Underground 2 cheats

Unlock Brakes upgrade:
Play with Pressure Tuning 2 minigame and reach more than 7500 pts.  

Unlock Chassis upgrade:
Play with Pressure Tuning 1 minigame and reach more than 5000 pts. 

Unlock Controls upgrade:
Play with Engine Tuning 3 minigameand reach more than 5000 pts. 

Unlock Drivetrain upgrade:
Play with Dyno Run1 minigame and reach more than 50 pts. 

Unlock Engine upgrade:
Play with Nitrous Tuning 1 minigame and reach more than 100 pts. 

Unlock Exhaust upgrade:
Play with Engine Tuning 1 minigame and reach more than 2000 pts. 

Unlock Exhaust upgrade:
Play with Engine Tuning 1 minigame and reach more than 2000 pts. 

Unlock Nitrous upgrade:
Play with Nitrous Tuning 3 minigame and reach more than 175 pts. 

Unlock Suspension upgrade:
Play with Dyno Run2 minigame and reach more than 100 pts. 

Unlock Turbo upgrade:
Play with Nitrous Tuning 2 minigame and reach more than 150 pts. 

Unlock Wheels upgrade:
Play with Engine Tuning 2 minigame and reach more than 4000 pts.