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      08-03-2011, 10:19 AM   #7
KIYO
Private First Class
Austria
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Drives: 1er M Coupé
Join Date: Mar 2011
Location: Vienna Austria -> Tokyo, JAPAN

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I think it is controlled by some formula.
I am monitoring the engine load and the RPM.
I found out that if the engine load is low, it doesn't get louder at around 2500RPM.