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      08-31-2009, 11:48 AM   #5
F32Fleet
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Drives: 2015 435i
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Quote:
Originally Posted by Xipher View Post
I believe with the sequential turbos, the smaller turbo is almost always going at the lower RPMs, then as you continue to speed up and get to the higher RPM's, that's when the second, larger turbo kicks in, giving you the quick acceleration you felt.
+1, BMW has been using this sequential setup in their diesels for a few years now.
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