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      10-24-2012, 05:37 PM   #14
ZorroBMW
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Drives: E91
Join Date: Dec 2009
Location: BE

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Quote:
Originally Posted by Wiles View Post
You are miss informed!

All Z4 E89 3.5i and 3.5is have the True Twin Turbo N54, not just the 35is.

I think part of the confusing is BMW marketing speak "twinpower". This is the marketing name for both the Twin Turbo (N54) and Twin Scroll single Turbo (N55) motors.
As for as i know the 3.5i has the N54 until may 2011, later it has the N55.
I speak for the production of Europe but that makes no difference. I think.

Sorry for my englisch.
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