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The BMW Range
5 Series
E39
Oxygen Sensor?
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<blockquote data-quote="zulyus" data-source="post: 600573" data-attributes="member: 25579"><p>I've replace my O2 sensor last week after running 119k km. Your are right when you said that O2 sensor is deteriorating over times and become less efficient in translating data collected from exhaust emission system. For my M54 engine there are two O2 sensor ie pre cat and post cat. I've detected faulty of my post cat sensor after do the computer diagnosis. it cost me RM640 in KB. Now it feels smoother.....</p></blockquote><p></p>
[QUOTE="zulyus, post: 600573, member: 25579"] I've replace my O2 sensor last week after running 119k km. Your are right when you said that O2 sensor is deteriorating over times and become less efficient in translating data collected from exhaust emission system. For my M54 engine there are two O2 sensor ie pre cat and post cat. I've detected faulty of my post cat sensor after do the computer diagnosis. it cost me RM640 in KB. Now it feels smoother..... [/QUOTE]
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Oxygen Sensor?
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