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      11-27-2012, 01:58 PM   #1
09BMW335i
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Drives: 2009 335i
Join Date: Nov 2012
Location: northwest burbs, IL

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Spark Plug replacement

I have a 09 335i with 14k on it. Should i change the Sparkplugs out now or wait? If I wait what is a good mileage number to change. Main reason is i am installing some minor Mods ( JB4, DCI) and want to get the best results