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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 > RB Turbo's N55 Turbo Upgrade, rounding the bases



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      09-21-2013, 09:10 AM   #89
Totalelectronics
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Looks like the HOLY GRAIL
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      09-21-2013, 09:10 AM   #90
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This is better than...........almost anything. The future is looking so sweet. Can't wait to see the end product, the results and it in my car!
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      09-21-2013, 07:45 PM   #91
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Man thats looking so sweet
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      09-21-2013, 08:27 PM   #92
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2014 is our year, cant wait
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      09-21-2013, 08:35 PM   #93
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Why do forged n54 internals come up in any thread regarding turbo upgrades or big power, even in an n55 thread?

Do you guys say you have forged n54 internals at a job interview, or your 10 year high school reunion? They're not even forged with the exception of the crankshaft. Lol
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      09-21-2013, 08:36 PM   #94
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Quote:
Originally Posted by -Wingman- View Post
Why do forged n54 internals come up in any thread regarding turbo upgrades or big power, even in an n55 thread?

Do you guys say you have forged n54 internals at a job interview, or your 10 year high school reunion? They're not even forged with the exception of the crankshaft. Lol
Oh god dont poke the hibernating bear
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      09-22-2013, 10:56 AM   #95
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Quote:
Originally Posted by -Wingman-
Why do forged n54 internals come up in any thread regarding turbo upgrades or big power, even in an n55 thread?

Do you guys say you have forged n54 internals at a job interview, or your 10 year high school reunion? They're not even forged with the exception of the crankshaft. Lol
THANK YOU!
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      10-09-2013, 07:43 AM   #96
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Any updates ?
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      10-09-2013, 07:46 AM   #97
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Any updates ?
Looking at the end of the month for the collectors apparently
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      10-09-2013, 09:10 AM   #98
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Looking at the end of the month for the collectors apparently
+1 this is our goal to have the collectors done. The project goal is to be complete by end of the year. Will update with pics as things are completed.

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      10-09-2013, 03:36 PM   #99
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Quote:
Originally Posted by -Wingman-
Why do forged n54 internals come up in any thread regarding turbo upgrades or big power, even in an n55 thread?

Do you guys say you have forged n54 internals at a job interview, or your 10 year high school reunion? They're not even forged with the exception of the crankshaft. Lol
Actually, the rods are forged too. Pistons aren't quite forged, rather hypereutectic... But who's counting right? :
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      11-12-2013, 06:49 PM   #100
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http://blog.perrinperformance.com/bo...test-and-tune/

^^ That is a fantastic article on the 7163 vs a ton of other turbos. it holds 25 psi no problem on that STI, 2.5L hits 20 psi by almost 3000 rpm, we should see even better spool than that!

In for more updates !!
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      11-12-2013, 09:28 PM   #101
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Robs using 7064 initially though isn't he?
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      11-13-2013, 10:20 AM   #102
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Robs using 7064 initially though isn't he?
D'oh. good point. Wonder if he would consider the 7163 as well?
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      11-13-2013, 10:35 AM   #103
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D'oh. good point. Wonder if he would consider the 7163 as well?
Probably. If its smaller then getting it to fit shouldnt be a problem. I think he wanted the bigger less restrictive AR but if the 0.64 holds 25psi to redline, then...
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      11-13-2013, 10:43 AM   #104
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Quote:
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Probably. If its smaller then getting it to fit shouldnt be a problem. I think he wanted the bigger less restrictive AR but if the 0.64 holds 25psi to redline, then...
(EFR 7064 350-560 MAX BHP, 7670 400-650 MAX BHP, 8374, 500-800 MAX BHP).

That is what Vargas outlined in a thread over on ***********.com

check this out. good comparsion!

http://www.***********.com/showthrea...ade-comparison
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      11-13-2013, 10:49 AM   #105
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Quote:
Originally Posted by NeoNz View Post
(EFR 7064 350-560 MAX BHP, 7670 400-650 MAX BHP, 8374, 500-800 MAX BHP).

That is what Vargas outlined in a thread over on ***********.com

check this out. good comparsion!

http://www.***********.com/showthrea...ade-comparison
Yeah im all over all the turbo upgrade threads lol. But I personally dont see how he can range the 7064 from 350-550 then say his garrett hybrid will likely make 500-550
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      11-13-2013, 12:07 PM   #106
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Our selections are based around the options for the BW EFR Twin Scroll Internally wastegated housing in the B2 frames. This limits us to the EFR7064 for 550hp, EFR7670 for 650hp, and the EFR8374 for 750hp.

At some point we may convert over to external gates (for more options), but initially feel that the simplistic nature of the internal gates will help keep the install and component requirements minimal (yet entirely functional). And besides it seems entirely plausible that these options will exhaust the N55's potential in strength as is anyway.

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      11-13-2013, 12:57 PM   #107
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Quote:
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Our selections are based around the options for the BW EFR Twin Scroll Internally wastegated housing in the B2 frames. This limits us to the EFR7064 for 550hp, EFR7670 for 650hp, and the EFR8374 for 750hp.

At some point we may convert over to external gates (for more options), but initially feel that the simplistic nature of the internal gates will help keep the install and component requirements minimal (yet entirely functional). And besides it seems entirely plausible that these options will exhaust the N55's potential in strength as is anyway.

Rob
Understood. Any luck with tuning thus so far? How is the manifold coming along? 7670 sounds like a plausible option without too much lag.
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      11-13-2013, 01:07 PM   #108
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Understood. Any luck with tuning thus so far? How is the manifold coming along? 7670 sounds like a plausible option without too much lag.
Lol I wish! Cant tune what doesnt exist yet.
believe the whole projects on hold for the time being
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      11-13-2013, 01:14 PM   #109
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Lol I wish! Cant tune what doesnt exist yet.
+1

Quote:
Originally Posted by Curare86 View Post
believe the whole projects on hold for the time being
Not officially on hold, just been swamped with N54 turbos the past couple months. In which case that is revenue (with paying customers wanting products) whereas the N55 project is expense (will not see a penny until completely done and tested at our expense), so have to do the smart thing for now.

In the meantime another N55 turbo option is/was expected to be tuned a week+ or so ago, so we expect that will be soon. It will be interesting to see how that goes, if it pushes any limits of the other N55 systems/engine/etc of which will help determine how viable an even bigger upgrade will stand to the platform. Simply prioritization's for now, but this certainly is not off the radar entirely.

Rob
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      11-13-2013, 05:06 PM   #110
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Quote:
Originally Posted by Rob@RBTurbo View Post
+1



Not officially on hold, just been swamped with N54 turbos the past couple months. In which case that is revenue (with paying customers wanting products) whereas the N55 project is expense (will not see a penny until completely done and tested at our expense), so have to do the smart thing for now.

In the meantime another N55 turbo option is/was expected to be tuned a week+ or so ago, so we expect that will be soon. It will be interesting to see how that goes, if it pushes any limits of the other N55 systems/engine/etc of which will help determine how viable an even bigger upgrade will stand to the platform. Simply prioritization's for now, but this certainly is not off the radar entirely.

Rob
Thanks for keeping us abreast of the situation. Completely plausible you'd like to focus on n54 cars for the time being, being that's your cash cow until the n55's overtake the 335/135/535/x1/x3/x5 scene become the more dominant platform.

I'm holding out for your upgrade! I like a completely separate platform, built from the ground up, the manifold and setup as it stands is inhibiting the engine gains plus this opens the door for bolting on a different BW turbo down the road as well, and perhaps an external wastegate if necessary.

Good luck and I'll be glued to this thread
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