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      11-19-2012, 06:34 PM   #1
JBE90335
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Drives: 2007 E90 335i
Join Date: Jun 2011
Location: Dallas, TX

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JB4 keeps triggering half engine light

Every time I WOT with my JB4 on map 1 the engine malfunction light comes on. The funny thing is, is that it doesn't run differently no reduced power or anything. Any thoughts? Maybe time for new plugs? I'm at 43k miles.