alright so i think the BCS is dying. its tossing a "wastegate boost solenoid" code on obd2 reader. im basically granny shifting now cuz i dont want my engine to explode, cuz the wastegate isnt opening. a new OEM solenoid is 80$. what about aftermarket 3 points? why do they have to be tuned to work right? what exactly are my options. please help. im searching the forums continuously.