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      11-22-2012, 05:23 AM   #7
jsedlak's Avatar
Drives: F30 335i 6spd
Join Date: Sep 2012
Location: Morristown, NJ

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I've heard you have to hit the rev limiter in 6th (8th in AT) for at least 30 seconds to break in the exhaust. Otherwise the tone won't be even throughout the range.

Last edited by jsedlak; 11-22-2012 at 06:09 AM.
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