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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 > Is n55 faster than n54?



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      03-21-2011, 12:47 AM   #1
gian p.r.
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Is n55 faster than n54?

I have an n54 and race a n55 and its faster!
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      03-21-2011, 12:51 AM   #2
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N54 is currently faster
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      03-21-2011, 12:52 AM   #3
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Not this shit again....

With that said, I'm pushing 15.5psi on pump right now. Waiting on the vishnu meth kit.
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      03-21-2011, 01:02 AM   #4
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No. But there are weight differences, transmission differences and driver differences.
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      03-21-2011, 01:08 AM   #5
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Didn't you say you have an e90 and the other guy had a N55 135i...?

The 135i is lighter and you guys have different mods
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      03-21-2011, 01:09 AM   #6
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Also, one major difference is the penile length of the driver. This is assuming the driver isn't the other gender, also known as the inferiors.
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      03-21-2011, 01:42 AM   #7
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Quote:
Originally Posted by gian p.r. View Post
I have an n54 and race a n55 and its faster!
Don't you think there is a reason BMW used it in the 335is, the Z4 35is and even the 135 M? Eh ah that said, it all depends on tune level on either engine.
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      03-21-2011, 02:26 AM   #8
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stupid thread. I can't make sense of the OP's english either.
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      03-21-2011, 02:33 AM   #9
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Really missing my N54
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      03-21-2011, 02:35 AM   #10
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Quote:
Originally Posted by PaulBailey@ltbmw View Post
Really missing my N54
Procede downpipe and ur at 380hp at the wheels
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      03-22-2011, 01:45 AM   #11
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trojan4evr, I need answers not stupid people like you that doesnt make any sense. ˇHuelebicho!
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      03-22-2011, 08:47 AM   #12
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Who really gives a rat's a$$? Is an F-22 faster than an F-16 or FA-18? They all get the job done.
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      03-22-2011, 11:05 AM   #13
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Whichever engine you have, that's the one that is faster.
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      03-22-2011, 11:31 AM   #14
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What ignorance...

search...
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      03-22-2011, 06:34 PM   #15
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I know everyone in this forum says n54 is faster but, thats what surprises me I have spearco intercooler he has stock, I have twin cones he has stock intake and isnt the jb4 more aggresive than jb3 stage 1 for n55.
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      03-22-2011, 06:44 PM   #16
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Quote:
Originally Posted by gian p.r. View Post
I know everyone in this forum says n54 is faster but, thats what surprises me I have spearco intercooler he has stock, I have twin cones he has stock intake and isnt the jb4 more aggresive than jb3 stage 1 for n55.
Hmm...driver maybe
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      03-22-2011, 06:47 PM   #17
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Quote:
Originally Posted by shockin330i View Post
Not this shit again....

With that said, I'm pushing 15.5psi on pump right now. Waiting on the vishnu meth kit.
You realize that 15.5 PSI on a different turbo isnt the samething?

This thread should be combined with the "where did you get yours from thread".
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      03-22-2011, 06:58 PM   #18
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Quote:
Originally Posted by gian p.r. View Post
I know everyone in this forum says n54 is faster but, thats what surprises me I have spearco intercooler he has stock, I have twin cones he has stock intake and isnt the jb4 more aggresive than jb3 stage 1 for n55.
You friends a better driver, and was likely running a more aggresive map than you.
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      03-22-2011, 08:17 PM   #19
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Quote:
Originally Posted by JPSlick View Post
You realize that 15.5 PSI on a different turbo isnt the samething?

This thread should be combined with the "where did you get yours from thread".
Lmao
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      03-22-2011, 08:57 PM   #20
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Well based on BMW....

The M division had more experience with the N54 than the N55. I assume an N55 version could come out but who knows since a new 3 series coupe is a couple of years away.

Quote:
Originally Posted by vase330 View Post
Don't you think there is a reason BMW used it in the 335is, the Z4 35is and even the 135 M? Eh ah that said, it all depends on tune level on either engine.
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      03-22-2011, 09:02 PM   #21
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Just read this. N55 is not faster.

THe N55 has a higher peak torque because of the bigger single twisted turbo and drops its power at the end of the rev band sooner. The N54 stays consistent all the way through. Check out the 335is compare to both however!
Bigger dyno images go here so you don't have to click:

http://www.euroteknik.com/forum/gene...-shootout.html

Full source article:

http://www.automobilemag.com/reviews...est/index.html Video of the dyno run also in the source link!

Also note that there is engine variance and the driver that comes into play. Someone launched a half second faster or one had stick and the other had auto, or one was in sport mode and the other was in auto. Someone cheated and had software tuned where other was stock. Never know.


Quote:
Originally Posted by gian p.r. View Post
I have an n54 and race a n55 and its faster!
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