Thread: N54 intermittent smoking, only when warm and at idle
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      05-11-2023, 10:13 PM   #2
MADDX6TT09
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Drives: 2009 BMW X6 4.4 TT XDrive I50
Join Date: May 2023
Location: Pasadena MD 21122

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Well i dont believe your flappers are supposed to be open. cant see where its sealing against the seat. White and ashy means its hot or lean... how are your fuel trim numbers? Short term and Long term?
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