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      04-29-2012, 05:09 PM   #141
flavush
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Switzerland
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Drives: AW F31 335i xDrive
Join Date: Oct 2011
Location: Zurich


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Thank you all for sharing.

I have only 3 questions:

- Does the change of N55 to N54 midpipe cause any issues for the "Check Control" or should I have any problems for warranty?

- Does the change the "Exhaust Maintenance" Values?

- On the videos I can't hear much difference. Does only the N55 midpipe sound much louder than stock N54 midpipe?

Thank you very much!

Best regards,
Flavush