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Old 02-17-2011, 10:06 AM
jcm3 jcm3 is offline
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Join Date: Mar 2008
Location: Chicago
Posts: 71
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I drilled about 30 1/4" holes through the oem sub cover in a cricular pattern to help airflow that is being trapped. Got rid of 75% of the rattles and you cant see the holes as the oem carpet covers most of them with the smaller holes.
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04 BMW 3.0i X5 on 22"
04 M3 6spd
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