Thread: N54 vs N55
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      06-03-2011, 08:30 AM   #78
evilstib
Bimmer Newbie
Canada
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Drives: CSM N54 Prem/Comf/Sound
Join Date: Aug 2010
Location: Bear's Ass Canada! (Fort Mac)

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Quote:
Originally Posted by JHOOPS2 View Post
Quote:
Originally Posted by Kcyrusm View Post
N54 has more mod support like they said, but it seems you can get more power out of the twin turbos with the available mods, for no at least.

N55 has slightly better gas mileage. No real high pressure fuel pump issues with the N55 either.

Both great


I think mileage is a non issue. I average 30-31mpg on long trips with my N54 and JB4 on map2.
I'd love to know what you dud to get this. I get 27-28 mpg...
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