E46Fanatics - View Single Post - HPF running lean but only under very slight acceleration...
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Old 03-31-2013, 04:28 PM   #16
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Join Date: Mar 2011
Location: Seattle
Posts: 123
My Ride: e46 m3
So I took out my aem yesterday to check the harness but i didn't really do anything and once I put it back together it ran perfect.

but today I took it out again to clean all the connections because I figured that's what it must have been and I put dielectric grease on them and now itsback to runnning lean...
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