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12-08-2011, 07:04 PM
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#11
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Brigadier General 
Drives: 2020 M4, 2022 X6
Join Date: Oct 2008
Location: San Fernando Valley
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Quote:
Originally Posted by larrylu
I have a question, if N54 is not certified in the U.S
How come 335is and Z4 35is using N54 twin turbo engine still can be sell
in the U.S? just wondering why other models are fine only the 1 series with N54
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GREAT question!
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