Quote:
Originally Posted by rolren
The "fart" sound has nothing to do with V6 or Inline-6 but is related to the DME which electronically mixes fuel with air and sends it to the combustion chamber which in turns sends that thru the exhaust, half-aspiration and half induction. It works on ANY BMW post 1984.
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my 2012 M3 is post 1984 ant it doesn't make any farting sounds, so i think you are wrong there.
although my rear end makes that sound after i eat Chipotle