318ti.org forum - View Single Post - EPA recall of 1997 318ti catalytic converters

nyle · 04-15-2008, 05:02 PM

did you replace your o2 sensors? i hear the one downstream of the cat is more important than the upstream one. thats if you are obd2, otherwise you only have one to begin with.

04-15-2008, 05:02 PM	#46
nyle Senior Member Join Date: Sep 2007 Location: Malvern, PA Posts: 373 '97 BMW 318ti Sport iTrader: (0) Photo Gallery	did you replace your o2 sensors? i hear the one downstream of the cat is more important than the upstream one. thats if you are obd2, otherwise you only have one to begin with. __________________ 1997 TI Sport, Silver