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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20 and N26 Turbo Engine / Drivetrain / Exhaust Modifications > 328i JB4 (Stage2) E85, 13.0@109 Run
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      03-19-2013, 06:33 AM   #1
Mike@N54Tuning.com
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328i JB4 (Stage2) E85, 13.0@109 Run

Some more updates for the Stage2

BMS was out doing some VBOX testing with the 328i. 0-60 in 4.6s and a best 1/4 mile time of 13.0@109. Knocking on 12s door.

The car is still completely stock other than the JB4 and E50 fuel. This was using map 7 which peaks at 23psi.

They are planning to do some pump gas dyno testing later this week.

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      03-19-2013, 06:53 AM   #2
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Looks good Mike! Can't wait!
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      03-19-2013, 07:43 AM   #3
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Awesome, can't wait to get stage 2!
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      03-19-2013, 06:40 PM   #4
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Awesome results!! Throw on a turbo-back exhaust and some better tires and you are EASILY in the 12's!
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      03-19-2013, 08:15 PM   #5
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do you have to use E50?.. why not just go for E85 tune?
please tell me tune will be avail for N26 & manuals ~
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      03-19-2013, 09:17 PM   #6
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What mode where you on? Comfort, sport, or eco?
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      03-19-2013, 09:23 PM   #7
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I'm sure he was in sport mode, unless he was going for most mpg in a 1/4 mile.
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      03-19-2013, 09:30 PM   #8
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Quote:
Originally Posted by Turboedv6 View Post
I'm sure he was in sport mode, unless he was going for most mpg in a 1/4 mile.
The modes are indistinguishable at wot, so you can dyno in any of the the modes and make the same power. So if your are flooring it, it does not matter.
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      03-19-2013, 09:35 PM   #9
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Quote:
Originally Posted by Jamesons Viggen View Post
The modes are indistinguishable at wot, so you can dyno in any of the the modes and make the same power. So if your are flooring it, it does not matter.

I know, it was just a failed attempt at humor.
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      03-19-2013, 09:37 PM   #10
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Quote:
Originally Posted by Turboedv6 View Post
I'm sure he was in sport mode, unless he was going for most mpg in a 1/4 mile.
I have to admit...... that was hilarious!!!!!
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      03-19-2013, 09:40 PM   #11
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Quote:
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I have to admit...... that was hilarious!!!!!

Cmonnnnnn
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      03-19-2013, 09:49 PM   #12
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You should do standup comedy...it was funny though
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      03-19-2013, 09:52 PM   #13
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I'll give it a shot some time
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      03-20-2013, 01:20 AM   #14
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yayyy, and this does work for the n26, just leave the first port unconnected. cant wait to see the pump fuel results.
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      03-20-2013, 03:52 AM   #15
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Send a message via AIM to tiltmode43
It's only a matter of time!

I vow to dyno within a week of receiving this tune.

If I'm lucky, BMS will need an N26 for Beta
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      03-20-2013, 04:35 AM   #16
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Quote:
Originally Posted by tiltmode43 View Post
It's only a matter of time!

I vow to dyno within a week of receiving this tune.

If I'm lucky, BMS will need an N26 for Beta

I'm going strait to the track fueld by C16 and maybe some LOL gas.
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      03-20-2013, 06:05 AM   #17
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Quote:
Originally Posted by ixse View Post
do you have to use E50?.. why not just go for E85 tune?
please tell me tune will be avail for N26 & manuals ~
I'm not sure the tuning can handle straight E85 so they are mixing it with pump gas for these results.

Mike
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      03-25-2013, 06:28 PM   #18
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
I'm not sure the tuning can handle straight E85 so they are mixing it with pump gas for these results.

Mike
Which makes it even more interesting for me... We got E everywhere!
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      03-25-2013, 08:48 PM   #19
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Hey terry,
If you need a beta tester for the n26 lmk. I can do irwindale runs for the 1/8th times. I beta tested your n52 and n55 tunes! And ill dyno it at eas
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      08-07-2013, 09:34 PM   #20
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Wanted to resurrect this post because I found it interesting...was this car a manual or auto? I'm curious to see updated VBox figures as well. I'm sure the Stage 2 tune has been tweaked a bit since March, so that alone should be good for 12s at 110+. With a turbo-back on top, this setup should move.

I'm curious what the limiting factor is for testing on a higher mix of E85. Is straight E85 in the tank out of the question or perhaps too risky for the fuel-system?
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      08-07-2013, 11:15 PM   #21
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Quote:
Originally Posted by F32 View Post
Wanted to resurrect this post because I found it interesting...was this car a manual or auto? I'm curious to see updated VBox figures as well. I'm sure the Stage 2 tune has been tweaked a bit since March, so that alone should be good for 12s at 110+. With a turbo-back on top, this setup should move.

I'm curious what the limiting factor is for testing on a higher mix of E85. Is straight E85 in the tank out of the question or perhaps too risky for the fuel-system?
Hopefully I can answer your question a bit...my car is completely stock with the exception of the JB4 Stage2. I have tried Map1/Map2/Map7...

To get to the desired 100oct to run Map7, I mixed my 91oct with 45-50% E85 (~105oct) as recommended. I can't speak for the N20 engine, but the N26 that I have will not successfully work with a 45-50% E85 mix while close to or at WOT. The engine hesitates, studders, and bogs down. To troubleshoot at the time, I switched to Map2 and then Map1, all Maps had the same problem. Once I filled up again, I blended my 91oct with enough E85 (roughly 15%) to get to 93oct so I could run Map2. Once I did this, all problems went away...this applies to Map1 as well. In the future, if I would like to run Map7 again, I'll have to fill up with 100% (traditional) 100oct.
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      08-07-2013, 11:32 PM   #22
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Quote:
Originally Posted by Turboedv6 View Post
I'm sure he was in sport mode, unless he was going for most mpg in a 1/4 mile.
I almost fell out of my chair laughing.

For my own records, I ran a baseline on my 335i a couple weeks ago and installing BMS Stage 1 tomorrow then throwing it back on the dyno. Planning on recording any upgrades as I go along so that I can see the differences as well. I'll post up charts tomorrow night when I get them from EAS.

Quote:
Originally Posted by BRN55 View Post
Which makes it even more interesting for me... We got E everywhere!
Not looking for Molly, then? LOL
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