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Old 10-10-2012, 03:41 PM
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Flybot Flybot is offline
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Location: Louisville, Ky
 
Join Date: Aug 2009
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Mein Auto: '98 528
If your sure its one cylinder it almost has to be an injector or plug/coil. Since it gets better as your engine warms up, most likely an injector. If its not that, then your talking maybe a valve. But that is very unlikely.
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