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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I think all 335's and Z4's with n54 engines are only up to 2011 models. Anything onwards will be using n55.