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      11-01-2012, 07:46 AM   #1282
Eracer76
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Drives: 2008 E92 335xi
Join Date: Nov 2011
Location: IL

iTrader: (5)

I believe they are using two wastegates because the manifold is for a twin scroll turbo, that way the two banks stay separate until they hit the turbo.
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Sold>2008 BMW 335xi E92 FBO and more, running 11.988 @ 114.080 MPH on all season tires...

2009 BMW Z4 35i 6-spd, JB4 G5, 19" two piece wheels, Potenza RE-11 tires, H&R coils, and more to come 😉