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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Injen N55 Intake Installed



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      04-05-2011, 11:05 PM   #1
Jesse@MBRP
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Injen N55 Intake Installed

My buddy Ed is the sales mgr over there and sent one of their new Black Coated kits for us to test and dyno. The car is stock besides a prototype catback and JB Stage 1.

Hitting the Rollers later.







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      04-05-2011, 11:05 PM   #2
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      04-05-2011, 11:06 PM   #3
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Nice! Numbers now!
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      04-05-2011, 11:13 PM   #4
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I can tell you that the car feels stronger already.
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      04-05-2011, 11:15 PM   #5
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Quote:
Originally Posted by Jesse@MBRP View Post
I can tell you that the car feels stronger already.
Time to save again lol.
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      04-05-2011, 11:26 PM   #6
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Nice! I want one, how much was it?
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      04-05-2011, 11:36 PM   #7
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Nice! I want one, how much was it?
I think the GB price was $400???
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      04-06-2011, 07:35 AM   #8
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good lookin intake for sure
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      04-06-2011, 08:54 AM   #9
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Im still waiting for mine to come in ... how hard was the install and can you hear the BOV while driving clearly
?
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      04-06-2011, 09:55 AM   #10
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i need the dyno numbers before i spend a dime on it.
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      04-06-2011, 10:32 AM   #11
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Quote:
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Im still waiting for mine to come in ... how hard was the install and can you hear the BOV while driving clearly
?
Install is maybe a hour tops. Really simple except one clamp that's a PITA.

The car is on the rollers right now. So far only one pull and I've bested my previous numbers by a good bit.
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      04-06-2011, 11:32 AM   #12
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Charts and vids! There's only been like 1 video of this thing so far, can't wait to see more
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      04-06-2011, 12:29 PM   #13
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Quote:
Originally Posted by Jesse@MBRP View Post
Install is maybe a hour tops. Really simple except one clamp that's a PITA.

The car is on the rollers right now. So far only one pull and I've bested my previous numbers by a good bit.
dying to see the actual numbers with tune
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      04-06-2011, 12:49 PM   #14
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Same, numbers vs. drop in filter would be most beneficial. Personally seeing intake systems that sit on top of an engine that aren't sealed aren't very appealing since it more of a Warm air intake.

Last edited by Cuffss; 04-06-2011 at 12:56 PM.
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      04-06-2011, 03:06 PM   #15
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I had an AFE drop in dry flow prior. I've taken a break for lunch. As for the whole open element in engine bay debate. My years of testing on numerous FI vehicles in both gas and diesel have never yielded any significant raise in IAT post intercooler and such is the case here. Ambient temperature at speed is rarely changed inside the intake track. The air is moving at nearly 400mph at throttle.

I don't sell intakes but I do have all the cool toys to test them with. Im not here to debate but there is a reason many engineers at all the leading intake companies continue to build product in this fashion.
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      04-06-2011, 03:14 PM   #16
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Jesse you are taking videos correct
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      04-06-2011, 03:34 PM   #17
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cool man, i'm in for some cool vids
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      04-06-2011, 04:32 PM   #18
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I like how the diameter of the piping stays the same throughout the whole length, without tapering down or anything. Definitely looking forward to some videos
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      04-06-2011, 05:14 PM   #19
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Looks great we sold a few of those already.
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      04-06-2011, 05:24 PM   #20
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No videos, I only have an iphone for videos and I've been on it all day.

So here is the breakdown on the gains and when I get back to my computer I'll post up the graph.

Previous Best (JB Stage 1, Drop in, Catback, Stock DP) 322/366 on Mustang 1100. Ambient Air Temp 59 Degrees. Baro reading very similar, Humidity 37.4%

Previous Stock Tune - 281/302

Injen w/ Stock Tune - 291/309 +10rwhp

Injen w/ JB Stage 1 - 343/379 +21rwhp

Conditions were very similar. Same Dyno, etc...

Conclusion: While the improvements over stock are minimal this intake really shines when the car is tuned. A/F ratios were in check through the entire pulls both tuned and stock. I'd like to see how this unit would perform with other tuning but I do not have access to them at this time. A DP would also likely benefit this intake greatly as the stock catted unit is lousy in the flow department.
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      04-06-2011, 05:47 PM   #21
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Pretty solid numbers on a mustang dyno. Very curious on what one would put down with a procede and dp.
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      04-06-2011, 06:05 PM   #22
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Damn dude! That's a hell of a sales pitch you just made lol. For 20rwhp on top of a tune, the price becomes a lot more justifiable. Would love to see the difference a DP and IC makes.. Could be looking at ~380rwhp with full boltons!
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