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      04-09-2009, 04:24 AM   #5
hun77777
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Drives: SG E92
Join Date: Nov 2007
Location: Seattle WA

iTrader: (58)

just feel like i'm getting rough idle and random misfire here and there and i figure it might be due to carbon built up. i'm just going to change it because dealer's quoting 90k miles and i know that's bit too ridiculous, especially on turbo car. i'm around 30k miles. N54 engine...