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      02-01-2013, 08:14 PM   #4
jimmys91
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Drives: 2008 135I
Join Date: Aug 2012
Location: Nashville, TN

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My car does this every once in a while also, From what i have researched its either time to have the valves walnut blasted or the spark plugs need to be changed or a bad injector. I'm leaning to do the valves and plugs because i'm sure they need it and see if it fixes my problem.
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