O2 sensors dying

Tassno · 09-30-2011, 06:14 PM

I have a 335xi and I have lost 3 o2 sensors in the past 6 months. I have 80k miles on my car. Does this seem insane? My service tech thinks it could be a result of carbon build up from the fuel injector. Anyone with similar problems that can shed some light. Thanks.

queensfield · 10-01-2011, 02:15 AM

Funny thing- I just heard a friend describing this to me at the grocery store. In his case, it was the catalytic converter that died. He also has the 2008 335xi (at about 125K miles). I was told the codes for O2 sensor and catalytic converter can be inter-related and confusing.

09-30-2011, 06:14 PM	#1
Tassno Registered 0 Rep 1 Posts Drives: 2008 335xi Join Date: Sep 2011 Location: Ct iTrader: (0)	O2 sensors dying I have a 335xi and I have lost 3 o2 sensors in the past 6 months. I have 80k miles on my car. Does this seem insane? My service tech thinks it could be a result of carbon build up from the fuel injector. Anyone with similar problems that can shed some light. Thanks.
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10-01-2011, 02:15 AM	#2
queensfield First Lieutenant 21 Rep 364 Posts Drives: 2006 330i E90 Join Date: Aug 2011 Location: So Cal iTrader: (0)	Funny thing- I just heard a friend describing this to me at the grocery store. In his case, it was the catalytic converter that died. He also has the 2008 335xi (at about 125K miles). I was told the codes for O2 sensor and catalytic converter can be inter-related and confusing.
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