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      07-22-2022, 11:11 AM   #3
GeorgeR
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Drives: 2016 X6 XDrve35i 2009 335i E92
Join Date: Dec 2014
Location: Seattle, WA

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Quote:
Originally Posted by RED_Y_ View Post
What exactly make you think there are misfires? You see RPM drop, engine sounds is uneven what are the symptoms?
The symptoms' "feel" like miss-fires. I don't know if that is what they are. I can try and drive the X6 more and also try and remember to look at the RPM reaction when the car engine starts to feel rough, usually when going up a hill. What RPM would be normal when going up a hill and what kind of drop would indicate a problem?

I can actually feel vibration, even as a passenger, when the engine seems to struggle.

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