Jack your car up, spin the front wheels, listen/look/feel. If your rotors are badly warped you will hear and feel contact with the pad and they will probably stop spinning.
You could also have poor alignment that just becomes more pronounced under braking, or a problem with a wheel bearing.
__________________
Ambition is the path to success. Persistence is the vehicle you arrive in.
G37S|6MT|PREM|NAV|Eibach|Ichibia|Injen
|