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      12-12-2017, 06:23 AM   #45
Dormermike
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Drives: Bmw f10
Join Date: Dec 2015
Location: Uk

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Do you e90 n53 owners have a flap in your exhausts? My f10 530i doesn't and it sounds quite deep but I'd be tempted to remove the nox cat if it made a nice burble
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