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      11-12-2009, 10:30 PM   #21
UltimateBMW
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Drives: MP4
Join Date: Dec 2006
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Quote:
Originally Posted by lionheart90k View Post
do i hear a BOV on the M5?
Pretty sure there is no BOV. I think the excess pressure is preserved in order to reduce turbo lag somehow. Thus, you could never really install a BOV even in after market.
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