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      06-29-2018, 12:52 PM   #44
dwashy
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Drives: 2006 E90 330i
Join Date: Jan 2018
Location: MO

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Quote:
Originally Posted by atmosphericM View Post
I thought the primary sensors adjusted fuel trims, and the secondary sensors were mostly just there to check the function of the catalysts. Hmm guess I was wrong. Either way, no real reason to remove them heh.
That's what I thought. When I did headers on my e46 a couple years ago I thought they functioned in that manner
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