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      04-16-2019, 09:34 PM   #52
Asianoak
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Drives: '11 E92 M3 & "11 X3
Join Date: Jun 2013
Location: Southern Oregon

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2011 M3  [0.00]
So listening to OPs original video makes me nervous about my car. I hear a really faint knocking sound in the video at about 25 seconds, right after he starts it up. Mine does the same thing but goes away quite quickly (maybe 5 seconds) and I don't hear anything else out of the ordinary, especially not the knocking he has at the end of the video when he applies throttle. Is that a normal sound to hear... again... at the 25 second mark.
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