Thread: E92 M3 - Metallic clunk / grind on cold start (With 3 Videos + Image of Noise)
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      06-13-2014, 12:08 PM   #54
anom3
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Drives: F30 335ix
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agreed.

i'm no expert at this audio stuff, but at least it was helpful in diagnosing when the noise starts.

about 0.5 secs AFTER ignition is made.

thanks for the input.

Quote:
Originally Posted by chris719 View Post
Technically that is just a recording of the waveform, not a spectrum.

A spectrum analysis has the X axis in frequency, not time.

example:

https://lh5.ggpht.com/AhKbanO_VrjOJF...qoWkAAsRU=h900
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