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BMW 3-Series (E90 E92) Forum
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What exhaust components can I remove errors without errors?
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| 04-18-2022, 10:44 AM | #1 |
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New Member
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What exhaust components can I remove errors without errors?
I have a 2011 328i drive sedan and would like it to sound a little better. Not crazy loud just a little more open. Would it be possible to do a muffler and a 2nd cat. delete without having any sensors/errors go off?
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| 04-19-2022, 02:35 AM | #3 | |
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Private First Class
 
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Quote:
You can remove or change anything you want past the downstream o2 sensors without throwing codes, as there are no sensors past there.
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| 328i, e90, error, exhaust, muffler, sedan, sensor |
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