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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Helix Bolt on Turbo Upgrade in tuning/testing phase!



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      10-21-2009, 04:05 PM   #23
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      10-21-2009, 04:16 PM   #24
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Cool but....

I'll believe it when I see it Nothing personal with this vendor, it's just the fact that turbo upgrades for the N54 have a history of not getting past the "testing" phase.
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      10-21-2009, 04:18 PM   #25
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Oh, btw, what type of snails are you guys going to use? I tried to read the imprint on the one on the right but I couldn't see the text clearly.
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      10-21-2009, 04:21 PM   #26
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Quote:
Originally Posted by jrsbeamer335 View Post
please make sure these get past the testing/tuning phase! not like the rest of them in the past
Ive cracked much bigger eggs than this
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      10-21-2009, 04:23 PM   #27
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Quote:
Originally Posted by BavarianBullet View Post
Are these retaining water-cooling in the new center sections?

% Comparison vs stock airflow?

Good luck with them.
these are water cooled!
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      10-21-2009, 04:30 PM   #28
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Quote:
Originally Posted by TTurboBullett View Post
these are water cooled!
Ball bearing?

(if so, you just raised my eyebrows)

-scheherazade
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      10-21-2009, 04:30 PM   #29
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will you sell each part of the kit individually.. for instance if I just wanted the turbos?
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      10-21-2009, 04:31 PM   #30
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Quote:
Originally Posted by TTurboBullett View Post
Ive cracked much bigger eggs than this
this is great info Mark... keep up the good work guys, let me know if u need my car for any testing.

Is your old 335 going for that big upgrade that you guys were working on back over a year ago?
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      10-21-2009, 04:31 PM   #31
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I hope they are ball-bearing, journal ftl, especially when they start to sound like a siren!
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      10-21-2009, 04:33 PM   #32
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Nice work fellas!
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      10-21-2009, 04:35 PM   #33
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ohhhh my....
Quote:
Originally Posted by nj323ci View Post
this is great info Mark... keep up the good work guys, let me know if u need my car for any testing.

Is your old 335 going for that big upgrade that you guys were working on back over a year ago?
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      10-21-2009, 04:45 PM   #34
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These are journal bearing turbos as we want to come in at a VERY reasonable price point for those that want more power than the stockers can handle safely.
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      10-21-2009, 04:46 PM   #35
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Quote:
Originally Posted by nj323ci View Post
this is great info Mark... keep up the good work guys, let me know if u need my car for any testing.

Is your old 335 going for that big upgrade that you guys were working on back over a year ago?
Yeah my old car is getting the BIG turbo
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      10-21-2009, 04:46 PM   #36
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will we need to do more than jb3/vinshu to control things with these turbo's? we gonne need bigger fuel pumps/injectors?
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      10-21-2009, 04:48 PM   #37
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Quote:
Originally Posted by jpsimon View Post
will you sell each part of the kit individually.. for instance if I just wanted the turbos?
thats a definite possibility and we hope to have in house tuning via the attache but also hope that shiv and BMS can have maps as well!
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      10-21-2009, 04:54 PM   #38
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TTurbobullet,
glad to hear that..... good thinking imho.

if you can get both shiv and terry to map for your turbos, you basically increase your potential sales market by ALOT !
i for a fact know that terry has been very open minded when it comes to tuning larger turbos.

my 2 cents
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      10-21-2009, 05:04 PM   #39
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Did you guys do anything about the tiny air inlet tube? I heard cp-e is working on a solution for that.
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      10-21-2009, 05:10 PM   #40
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Quote:
Originally Posted by Gen_E92 View Post
Did you guys do anything about the tiny air inlet tube? I heard cp-e is working on a solution for that.
I talked with CP-E on the phone about the HPFP they are making, and a 'full intake' was mentioned.



Quote:
Originally Posted by TTurboBullett View Post
These are journal bearing turbos as we want to come in at a VERY reasonable price point for those that want more power than the stockers can handle safely.
All right.

Just keep in mind what a COTS 28R costs (just throwing out a ball-park similar size turbo).
(Quick google, under 1000 each : http://www.boostplanet.com/gt28r.htm).

-scheherazade
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      10-21-2009, 05:17 PM   #41
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Quote:
Originally Posted by scheherazade View Post
Ball bearing?

(if so, you just raised my eyebrows)

-scheherazade
Why? These turbos are so small that the advatange over a journal bearing is so little that the added cost and lack of rebuildability hardly makes them worth it. In my opinion, a DBB CHRA would detract.
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      10-21-2009, 05:21 PM   #42
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Quote:
Originally Posted by A418t81 View Post
Why? These turbos are so small that the advatange over a journal bearing is so little that the added cost and lack of rebuildability hardly makes them worth it. In my opinion, a DBB CHRA would detract.
Because if something F's up and I lose oil pressure, I don't want to be replacing two turbos.

The only kind of 'practical' rebuild you'd do on a journal bearing turbo is replacing seals.
A full rebuild kit comes in close to the cost of a new turbo.

-scheherazade
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      10-21-2009, 05:36 PM   #43
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Quote:
Originally Posted by scheherazade View Post
Because if something F's up and I lose oil pressure, I don't want to be replacing two turbos.

The only kind of 'practical' rebuild you'd do on a journal bearing turbo is replacing seals.
A full rebuild kit comes in close to the cost of a new turbo.

-scheherazade
Well, the novelty of a ball bearing turbo isn't part of this project it seems. Considering we have(hopefully) options, we'll let these guys cover the journal turbos and someone else can handle the more expensive ball bearing variants... Turbo options FTW!!!!!!!!!!!!!!
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      10-21-2009, 05:37 PM   #44
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Quote:
Originally Posted by TTurboBullett View Post
Yeah my old car is getting the BIG turbo
That's what i'm talking about... can't wait to see that beast!!
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