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      08-29-2016, 09:40 AM   #6
sjobusen
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Drives: BMW Z4 35i
Join Date: Oct 2011
Location: Sweden

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I have HKS bov on stock CP... You can hear it when you let of the pedal... Not when you change gear at WOT....

A funny thing is that you hear the bovs when downshifting when car is in "sport+" mode
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