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      06-13-2012, 11:12 AM   #26
ozinaldo
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Quote:
Originally Posted by kbryce View Post
is the n54 twin power turbo though? i thought the n55 was twin power turbo

and they forgot to mention 335is
They did not forget the 335is, 335is is a market specific model limited to only US (and UK maybe?) plus 1M and Z4is versions have the highest output of 250 kw/340ps so they considered those two.

The N54 is a twin power in the sense of a bi-turbo set up with two small turbos. The N55 is a single turbo set up but with twin scroll technology.