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Old 05-26-2011, 03:43 PM   #11
MarcusLSB
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Join Date: Aug 2010
Location: Bay Area
Posts: 4,367
My Ride: X5, CT200h, CLK63 BS
I believe the stock ECU on the S54 can compensate and manage about 4lb - 5lbs of boost can't it? The intake manifold is good for 12psi but I'd never do it.
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