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      12-24-2012, 12:26 AM   #8
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Drives: 2009 E90 335i xDrive
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Originally Posted by JETBLK335i View Post
Hello. Newbie on this topic here. How does coding injectors work? Does it mean once they are coded that if a misfire happens the read code will determine if the injector is bad?
No the coding are two numbers on the injectors. I can't remember off the top of my head but I think one of them is a flow number. It's basically cause every injector will be different so even if it's a very small number coding gets it perfect. I don't think having a non-coded injector could cause them to continuously misfire though... There are some people on here who never code their injectors and are having no problems.

Edit: It looks like the bottom number is the flow calibration number but idk what the top is...
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