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Old 12-30-2012, 08:32 AM   #5
jfoj
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 10,036
My Ride: '06 330CiC, '03 M5
CCV lower oil return line, lower intake boot.

If the misfires are only at idle or start up, then likely air/fuel problem related to vacuum leaks or fuel supply.

If the misfires are only under load while driving, likely secondary ignition.

As for the DISA, how is the vacuum diaphragm?
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Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299
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