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Message: <blockquote data-quote="kitneng" data-source="post: 5404" data-attributes="member: 2849"><p>Dear All Sifus,I'm just wonder where is the location of the o2 sensor for my car. My car model is 1995 E36 318i.I try to look at my ekzos but can't find it. Normally is located after the 421 extractor. Am I rite (Cause I had see my friend's o2 before when he jack his car)?But mine one cannot see, really don't know where is it?Hopefully you guys can show me cause I suspect my o2 having problems cause        * Irregular idle during warm-up        * Irregular idle with warm engine        * Poor engine performance        * Fuel consumption is high        * Driving performance is weakIf the o2 sensor really "KONG", do you guys know raftly how much it cost?Stenly</p></blockquote><p></p>