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The BMW Range
7 Series
My E66 730Li
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<blockquote data-quote="Herbert" data-source="post: 534913" data-attributes="member: 18029"><p>If your pre-cat O2 sensors are totally fried, then errors will show up during diagnostic test. According to Bosch, O2 sensor typically last no more than 100k km and degradation will set in resulting inaccurate feedback to ECU. Change your O2 sensors if I were you.</p></blockquote><p></p>
[QUOTE="Herbert, post: 534913, member: 18029"] If your pre-cat O2 sensors are totally fried, then errors will show up during diagnostic test. According to Bosch, O2 sensor typically last no more than 100k km and degradation will set in resulting inaccurate feedback to ECU. Change your O2 sensors if I were you. [/QUOTE]
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