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Old 10-07-2012, 06:35 AM   #8
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Join Date: Aug 2011
Location: Reading, Pennsylvania
Posts: 814
My Ride: 03 325xi, 01 325xi
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Make sure you clear all the codes out once you install the new DISA. See if any show up again and read what they are and report all codes here (you should have stated them all with original post). You may well find that you will still have to replace both pre-cat O2 sensors, as faulty pre-cat O2 sensors can give you the adaptation limit codes and the random misfires of all cylinders due to a lean condition.
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