Originally Posted by themyst
E90 or E92? E92's have an x-pipe, and E90s have a resonator; E90's definitely sound stock even with downpipes + secondary delete. FYI, if the wastegate rattle "fix" is enabled on your procede you will have a deeper exhaust note than in the default position.
I have E90 and there's a difference. Yes, I have my wastegate set at 30% but even with tune removed there's a difference to my ears.