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      10-09-2012, 12:16 PM   #5
Jeff@TopGearSolutions
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Drives: C6 Z06, 09 335i, 10 335xi
Join Date: Dec 2008
Location: www.TopGearSolutions.com

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If you have over 25K miles on the current spark plugs try changing them. Without codes we can't offer much more advice though.
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