View Single Post
Old 06-05-2012, 04:31 PM   #9
Registered User
Join Date: Oct 2009
Location: SEATTLE
Posts: 719
My Ride: 2003 325xi
doesnt the SAP help not burn up the cats by leaning out the exhaust on startup? So on a stock setup, this may/may not be a good thing?
JDUTHIE is offline   Reply With Quote