Cause for misfiring unknown
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New Members
Joined: Jul 2021
Posts: 4
Likes: 0
From: Madison, IN
My Ride: 09 535i xdrive
Model Year: 2009
Engine: N54
Cause for misfiring unknown
2009 535i
misfire when given the right amount of gas. Car will remain misfiring until you let off the gas and ease back into it. If I stay into it while it's missing, the CEL will come on for approximately 30 seconds.
I've tried cleaning the fuel systems, replacing ignition coils, and spark plugs. No change in the missing. I don't know where to start in figuring this out. I'm at my wits end, please help!
misfire when given the right amount of gas. Car will remain misfiring until you let off the gas and ease back into it. If I stay into it while it's missing, the CEL will come on for approximately 30 seconds.
I've tried cleaning the fuel systems, replacing ignition coils, and spark plugs. No change in the missing. I don't know where to start in figuring this out. I'm at my wits end, please help!
New Members
Joined: May 2020
Posts: 81
Likes: 12
From: Massachusetts
My Ride: 08 535i M sport package
Model Year: 08
Engine: N54
Do you have a code reader? Is it throwing any codes? That's the first place to start. Otherwise you will just be throwing money and parts at it.
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