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Old 01-20-2012, 07:23 PM   #21
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 16,613
My Ride: 330CiC, M5, X5
DISA usually causes misfire is the center cylinders more often than not. Depending on how cold the ambient temps are and how much the DISA O-rings leaks air and where will possibly cause a misfire in one or cylinders depending on where the DISA O-ring is leaking and how the DISA value is positioned.
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