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      04-22-2012, 08:43 PM   #105
O HELLA BMW
I <3 My E93
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Drives: 08 335i vert
Join Date: Nov 2010
Location: PA

iTrader: (21)

hey mike i just got my er cp and hks ssqv4 bov installed but the bov sounds exactly like the stock diverter valves or whatever you call it.

i thought the hks bov made a chirp like whistle sound?
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