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      08-14-2012, 05:48 PM   #11
Second Lieutenant
Drives: BMW 1M AW
Join Date: Sep 2009
Location: Singapore

Posts: 218
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Originally Posted by LV-E92M3 View Post
get an ER charge pipe with a forge DV. You'll lose about 5-7hp with a blow off valve.

How does a bov cause a 5-7hp loss for our car? Would like to hear your explanation
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