Thread: RPM dip and dive
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Old 12-07-2012, 01:17 PM
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Join Date: Sep 2011
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Mein Auto: 2006 330xi
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114k and you never replaced ignition coil? eventually Check Engine light would come on for misfire code if it's ignition coil, but that should be a permanent rough drive and not come and go.
Perhaps it's related to your spark plugs change.
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