View Single Post
Old 11-27-2008, 04:06 PM   #51
Registered User
Join Date: Jun 2007
Location: South Florida
Posts: 37
My Ride: 01 330ci M/T
It will look like a throttle butterfly valve in one of the exhaust tips. For sure the 330's have them. The default is for it to remain open, so look for an open butterfly flap.
GatorHawk is offline   Reply With Quote