Originally Posted by Charleston335
Weird because she said they just ordered only the blow-off. I read somewhere its a common code and should be cleared but i kept getting it. Would that hurt performance any? I didn't get the code when I took the tune off...
Like I said I'm not too familiar with the N55, but it may be a seperate part that you can replace on the turbo. If your BOV was leaking and throwing an underboost code, yes that would hurt performance