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      02-03-2012, 03:42 AM   #7

Drives: 1 series M coupe Alpine White
Join Date: Oct 2011
Location: Singapore

Posts: 58
iTrader: (0)

///M1, unfortunately, I didn't do any pre and post dyno runs. The butt likes it anyhow.

It really does sound great. And I've been told it sounds even better on a drive by! I drive with the valves open mostly, except when I'm pulling into my neighbourhood at night.