EXHAUST VALVE LIKE 135i? Golf Tee Mod?
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08-03-2011, 11:19 AM
Private First Class
Drives: 1er M Coupé
Join Date: Mar 2011
Location: Vienna Austria -> Tokyo, JAPAN
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.
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