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      06-14-2007, 05:17 PM   #5
voltron1011
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Drives: 2011 135i, FJR-1300
Join Date: Apr 2005
Location: Wiesbaden

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Quote:
Originally Posted by quattrogmbh View Post
I believe 4000rpm is when the variable valve timing (Valvetronic) kicks in.
BMW's valvetronic is always on and has infinite stages, so there is no kick-in like on Hondas and Toyotas.
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