Need for speed most wanted online pass

Hello I originaly activeted the online pass for my chargeingflame49 profile on Xbox 360 but that xbox didnt work right so now i play on X Blade X113 and it wont let me play online or acsesse autolog because it cant be on 2 dirffernt xbox acounts so i want to remove chargingflame49 or at lest deactivate the only pass for him so it is only on X blade X113 so i can play online however i cant figure out how and need help so that the online pass is only on the x blade acount so i can play online the code that comes up on xblade when i play is 193 please help