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      10-03-2012, 10:36 AM   #8
DBH
First Lieutenant
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Drives: 2011 M3 E92
Join Date: Jan 2011
Location: SE PA

iTrader: (0)

Yes, it will get a little louder. It may take thousands of miles. I now have 18k miles and there is a definite difference (throatier, not louder). An M3 will take 8 to 10k miles to be fully broken-in (all systems). So, if you're looking for a louder sound, don't wait, go aftermarket.