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      01-17-2014, 01:05 PM   #16
gomichaelkgo
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Drives: 2014 335i
Join Date: Aug 2012
Location: Portland, OR

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Quote:
Originally Posted by m7ammed View Post
I have the exact thing can't figure what it is had the car for a week now brand new, October production car. It goes away sometime and comes back very random. From 2k to 3k rpm.
This is exactly the condition under which anything loose in the engine bay will rattle. There seems to be resonance at 2500 rpm. I've seen fixes here involving reseating the radiator, adjusting the heat shielding, replacing the AC Compressor, tightening a bracket in the dash board, and securing windshield cowling.

Good luck in tracking down the source of yours!
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