Originally Posted by ign335i
I don't think there is any sub 100k mile N54 with this sound that has NOT been overboosted.
But you DON'T know that though, do you? To a reasonable degree of certainty?
Saying that overboosting is the only possible cause because the only n54 turbos that **you** have heard of making noise
were tuned, is as logical as saying that the only people who die from a heart attack under age 50 must be
overweight and smoke cigarettes, because everyone **you** ever knew who died of a heart attack under age 50 was fat and smoked.