View Single Post
  #47  
Old 03-28-2012, 09:13 PM
v8power v8power is offline
Officially Welcomed to the 'Fest
Location: IL
 
Join Date: Oct 2011
Posts: 192
Mein Auto: 2011 X5 35i
So basically the exhaust flap NEEDS vacuum for it to be open(louder)?

I remember doing this to my old 335i which has the dual exhaust. But one exhaust had the flap that if I disconnect it (no vacuum) it will open to be louder.
Reply With Quote