i put it back to stock after 1.5k miles
i had my neighbors calling the cops.
I live on top of a hill and getting home at 3 am some nights doesnt help! lol
it was louder than my GT3
but i missed the quiet setup.
2011 550i gray/cbrwn Sport, Zf8spd JB Beta tune
2008 335xi alpine white/coral red- gone
2004 745li gone