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      11-16-2012, 10:24 PM   #12

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Drives: '11 X5 M
Join Date: Feb 2011
Location: Wake County, NC

Posts: 883
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Perforated, unless you like loud all the time. I drove both and the ACM method does drone a bit, so the claim of zero drone is not accurate.
2015 YMB/Silverstone F80 M3 6sp -Ordered- ED on 12/5
2011 Sapphire Black/Black E70 X5 M - For Sale! Send me a PM for details.
2010 Jerez Black/Black E90 M3 DCT -Gone-
2009 Montego Blue/Grey E90 335i -Gone-