BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)


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      10-19-2011, 04:55 PM   #45
Slo'est E90 around
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Drives: 135i gone, 2011 335IX e90 6mt
Join Date: Oct 2011
Location: denver

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Originally Posted by boostm3 View Post
Ive got a friend with an N54 335i who just told me he just took a 65 mile trip, and with his dual cone intake, averaged 34 mpg for the trip using highways! I, with my bone stock N55 135i averaged, at my best, 28.3 miles over a 200 mile distance using all highways.

I thought that if intakes work, they provide more air flow to the engine for which the ECU, in turn, orders up more fuel to keep the mixture from leaning out under the added air assault, resulting in worse gas mileage, not better.

Does what he told me make any sense??
Or it could be leaning out causing better gas mileage and some more power. If I were him, maybe a baseline dyno just to make sure everything is in check.
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      10-20-2011, 12:39 AM   #46
aiming for 450.....
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Drives: La Jeva ;-)
Join Date: Feb 2009
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2009 135i  [5.00]
Originally Posted by ianf2002 View Post
That's good. Mind you that's oil temp, not water.
I know.
Quote from Ezeedee regarding car mods:
"you're only done when you sell the car "
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