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      09-12-2009, 10:22 AM   #50
MadMan77
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Drives: Jet Black '08 135i
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Quote:
Originally Posted by red-sauerkraut View Post
The N55 has 1 Variable Turbo, being dubbed the Twin-Power, because of it's Duel Function.

The N54 [Twin-Turbo] will be replaced by the N55 [SINGLE Twin-Power TURBO] because of the fuel saving it is capable of.

The new series of High-Revving Turbo 4 Bangers, most likely will see the same Twin-Power Single Turbo application.

The 2011 X3 being built on the up and coming 2012 3er Platform, may indeed see the first application of the new N55 Motor.
So it is a variable-vaned turbo then. This is sort of like Ford calling their new turbo diesel motor a twin turbo when it really was a sequential turbo.

Semantics? You decide.
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