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Old 12-30-2012, 09:32 AM   #5
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 16,577
My Ride: 330CiC, M5, X5
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?
Solve your misfires, lean codes, rough idle -

Fuel pump failures -

Temp Info -

Hidden OBC Menu - Check Voltage, Temp, Fuel Level -

E46/E39 GM5 Door Lock Info -

Lower hose temp switch O-ring - BMW #13621743299
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