E46Fanatics - View Single Post - DIY: E46 Header Installation Guide
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Old 02-22-2009, 10:47 AM   #39
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Join Date: Aug 2002
Location: Metairie, La
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My Ride: 2002 AW 330ci
Originally Posted by urho View Post
Where i have to put lambda sensors? first or second hole? and 02 after cats?
You would place them in the order of the original headers, pre and post sensor. Label them when you prior to removal

Last edited by \\V; 02-22-2009 at 10:56 AM.
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