Quote:
Originally Posted by alefcole
That is exactly how my engine sounds. I have compared to 2 other M3's. And all of them sound like that. Its more notorious when you are in a confined space (garage) or close to a wall (ATM). If its in an open street you really have to look for it. Inside the cabin 90% of the times you can't hear the noise, but there are those infrequent times that if you pay close attention, then you can hear the same muffled noise inside the cabin.
The noise is not related to the 2011 M3's. There was an a..hole that reported the noise in the 20011's, but AFAIK a healthy V8 engine sounds like that.
CONGRATULATIONS on your engine and stop worrying.
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thanks you. I went to SoCal Pizza meet this friday, one buddy help me check engine sound, he said is ok too . and he point out that my RPM Drop is problem then he suggest me dirve to dealer check it.