Thread: E90 328i Exhaust Smoke Post Valve Cover Job
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      12-07-2022, 07:08 PM   #5
PizzaBoy_N52
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Drives: 2008 E90 328i 6MT
Join Date: Nov 2022
Location: Grand Rapids, MI

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Quote:
Originally Posted by e91Owner View Post
You really need to scan the codes first to get an idea of what's going on and trace from there.
I'm running lean and rich on both banks according to my scan tool.
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