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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > AA vs Eurocharged: Dyno Graph!



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      05-01-2012, 07:48 PM   #23
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Could someone confirm the redline on aa stage 2? It looks like the aa ” improved” tune is now getting on the level of the ec tune based on this dyno, and estimated gains from aa original tune to stage 2. Were both pulls done the same day, with no other modifications besides tune?
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      05-01-2012, 07:51 PM   #24
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
Our stage 2 line would look much different especially in the mid range and top end.
I'd love to try it out

Quote:
Originally Posted by j-roc View Post
Could someone confirm the redline on aa stage 2? It looks like the aa ” improved” tune is now getting on the level of the ec tune based on this dyno, and estimated gains from aa original tune to stage 2. Were both pulls done the same day, with no other modifications besides tune?
If you read my disclaimer, I say that it's not just the numbers that tell the story. It's the delivery, smoothness, etc. 6 peak HP doesn't mean dick if the rest of the revs are 1 HP.

And if you read my post, yes, both pulls were done back to back with a 20 minute cool down for the EC flash.
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      05-01-2012, 09:06 PM   #25
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I'm not interested in peak gains, just comparing the two tunes. I am more interested in the effects of an increased redline paired with the 3 stage manifold. On my previous na engine build a short runner manifold shifted my entire power band to the right, and I benefited greatly from an increased redline. Understood that the 3 stage isn't a short runner manifold, but I'd expect it to be better than the single stage across the graph.
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      05-01-2012, 09:08 PM   #26
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Originally Posted by j-roc View Post
I'm not interested in peak gains, just comparing the two tunes. I am more interested in the effects of an increased redline paired with the 3 stage manifold. On my previous na engine build a short runner manifold shifted my entire power band to the right, and I benefited greatly from an increased redline. Understood that the 3 stage isn't a short runner manifold, but I'd expect it to be better than the single stage across the graph.
Oh, didn't know you were asking about the 3 stage. Are you in the Houston FB group? If so, I'm probably going to start researching on where to source the parts for it. Maybe we can look together.
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      05-01-2012, 09:13 PM   #27
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i'm interested in the 3 s i manifold too but still waiting for a full diy writeup

is it true that a 325 can gain up to 30-40hp with 3sim and a tune...or just internet hype?
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      05-01-2012, 11:10 PM   #28
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Quote:
Originally Posted by Hooy View Post
Oh, didn't know you were asking about the 3 stage. Are you in the Houston FB group? If so, I'm probably going to start researching on where to source the parts for it. Maybe we can look together.
I'm not on fb but I am serious about doing the swap pretty soon. I'll pm you
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      05-02-2012, 01:42 AM   #29
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Hey Andrew by "different" did you mean better? Oh and do you raise the redline for auto's also like EC does? I know AA raises the redline for standards but do they do it for auto to? Thanks
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      05-02-2012, 02:06 AM   #30
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Quote:
Originally Posted by Hooy View Post
Oh, didn't know you were asking about the 3 stage. Are you in the Houston FB group? If so, I'm probably going to start researching on where to source the parts for it. Maybe we can look together.
Quote:
Originally Posted by j-roc View Post
I'm not on fb but I am serious about doing the swap pretty soon. I'll pm you
Hooy and j-rock, I'd like to get in on the buy and install. Can you please include me in your conversation? Neutrino45@hotmail.com. Thanks!!
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      05-02-2012, 01:18 PM   #31
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Quote:
Originally Posted by ska325xi View Post
i'm interested in the 3 s i manifold too but still waiting for a full diy writeup

is it true that a 325 can gain up to 30-40hp with 3sim and a tune...or just internet hype?

there has been a write up or three actually.. and yes, this is one of those rare cases where the 30-40hp gains are actually true (at least for me, according to the dyno tests I did on my own car).
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      05-02-2012, 02:06 PM   #32
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there has been a write up or three actually.. and yes, this is one of those rare cases where the 30-40hp gains are actually true (at least for me, according to the dyno tests I did on my own car).
none were complete...or maybe i missed a full diy
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      05-02-2012, 02:09 PM   #33
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hmm, well I remember finding a complete diy thread with pics somewhere, though I mostly used my own repair manual to walk me through it. Good luck.
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      05-02-2012, 02:29 PM   #34
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Quote:
Originally Posted by mike-y View Post
hmm, well I remember finding a complete diy thread with pics somewhere, though I mostly used my own repair manual to walk me through it. Good luck.
I ended up using the one that is on Zpost for the Z3 alongside w/ the repair guide just like Mike-Y. I took pictures and notes, I'll look to write it all up for our e90/e92s.

The install is pretty easy... just very time consuming.
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      05-02-2012, 02:33 PM   #35
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I wonder why DINAN hanst invested on a ECU tune for the N52 so we can compare those numbers as well.

Lou.
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      05-02-2012, 02:59 PM   #36
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      05-02-2012, 06:21 PM   #37
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i think some of the techs at dinan left the company and dinan was never the same again

plus bmw is making their own performance parts...etc


now they mainly focus on M cars
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      05-02-2012, 09:06 PM   #38
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Quote:
Originally Posted by VirtuousWolf View Post
Hey Andrew by "different" did you mean better? Oh and do you raise the redline for auto's also like EC does? I know AA raises the redline for standards but do they do it for auto to? Thanks

Of course much better in the mid range and top.

Yes we raise the auto to 7K but the transmission in s mode will not always switch there if the ecu feels it should shift at a different rpm based on the gear and load at a given time.
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      05-02-2012, 09:56 PM   #39
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Quote:
Originally Posted by ska325xi View Post
i'm interested in the 3 s i manifold too but still waiting for a full diy writeup

is it true that a 325 can gain up to 30-40hp with 3sim and a tune...or just internet hype?
No that is a myth. AA tune adds 15 Hp to a 330i so its gains of 55+ Hp not 30-40Hp.

And here is a DIY not really our cars but you get the Idea: http://www.zpost.com/forums/showthread.php?t=455180
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      05-02-2012, 10:49 PM   #40
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In my case, i like the stock RPM's. But the 3rd gear holds too long when on DS mode and the awful throttle lag on D is as much fun as watching grass grow.

Perhaps a bit line pressure on the tranny for a bit more crisp shifting thru gears both D and DS
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      05-03-2012, 12:12 AM   #41
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Quote:
Originally Posted by ska325xi View Post
i think some of the techs at dinan left the company and dinan was never the same again

plus bmw is making their own performance parts...etc


now they mainly focus on M cars

You think? so not so sure?
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      05-03-2012, 08:37 AM   #42
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whatever...they are not making anything for us n52 folks lol
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      05-03-2012, 08:49 PM   #43
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Bad Ass Thread Way To Go Chris
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      05-06-2012, 05:07 PM   #44
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
Of course much better in the mid range and top.

Yes we raise the auto to 7K but the transmission in s mode will not always switch there if the ecu feels it should shift at a different rpm based on the gear and load at a given time.
Oh ok great! So now it's like 7.2k? Thanks for your response
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