hey i have a 04 m6 gto with 45k. i have noticed a noise every since i bought the car. at first i thought it was a through out bearing but when i push the clutch in it still sounds the same. it is a rattle that i hear at idle, i can't really tell where it is coming from upper or lower part of the motor. the only thing i can think off is the rollers are loose has anyone came across this?