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      09-09-2012, 11:38 AM   #4
mshab356
Go ///M or go home
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Drives: 2015 F80 M3 6MT
Join Date: Jan 2007
Location: Washington, DC Metro

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If the drone is the issue, I've heard RPi's exhaust drones like crazy. I love my Active Autowerke exhaust. Very unique low growl/high pitch exotic sound and barely any drone!
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2015 AB/SO F80 M3 6MT | 19" Black M437 | AutoTechnik Black Front Grills | BMW Performance Side Grills | Painted Front Bumper Reflectors | Gloss Black Exhaust Tips

GONE 2011 SG/Blk E92 M3 CS 6MT