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2010 2011 BMW 5 Series Forum F10 550xi AR catless downpipes |
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08-31-2014, 01:13 PM | #2 |
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09-01-2014, 08:01 PM | #6 |
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I have the AR Cat-less DP. The only thing I have done is used O2 bung "L" extenders. I can't say I don't throw the O2 code, it happens, ever now and then (once every few months). If it appears I used the BT cabled / laptop and reset.
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09-01-2014, 10:42 PM | #7 |
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09-01-2014, 10:57 PM | #8 |
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