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      02-23-2014, 04:46 PM   #19
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Drives: 2013 328i xDrive
Join Date: Sep 2010
Location: New Jersey

Posts: 117
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Originally Posted by drob23 View Post
Not to mention one of the turbos in the twin scroll is tuned pretty well for low RPM's (also VANOS on the exhaust cams), so it should be pretty hard to bog down the N55.
The N55 has only one twin scroll turbo. Twin scroll means the exhaust gases are separated, but there is still one turbo.