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      03-23-2023, 08:53 AM   #18
gregsatt
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Drives: 2011 335is
Join Date: Dec 2014
Location: Texas

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2004 Honda CRF230  [0.00]
2011 335is  [0.00]
I have a 2011 335is with the same issue. But, I have catless DP's. If the dealer flashes back to stock, will it reset the O2 sensor even though I have catless downpipes?
Appreciate 0