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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 > E90 ECU Software Available



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      07-14-2006, 11:59 PM   #111
Artz 330
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Quote:
Originally Posted by Mackskibum
Wow, alot happened in the last several hours while I was in the garage rebuilding a transfer case.

Artz, it was the part where you stated that the "there are mechanical differences within the motor itself, and can not be changed by a simple remap"
That implies there are different parts used between the two engines, and except for the exhaust, ECM flash, and intake, there is nothing that I can find.

I compared the 325XI and 330XI because that is what I am most familiar with. The base ECM part number is the same for both, as is the engine harness. My belief is that since the intake has three stages, stage one is in the static position, stage two is opened by a servo (probably PWM) and is controlled by the two wires from one connector (one of the two you see capped off and attached to the 325 manifold) and the other connector handles the transition to stage 3.

I responded the way I did because the tone you use in your posts is generally inflamatory- the appearance is that you are the expert and everyone who doesn't agree with you is uninformed. I have learned that on a BBS like this being humble in responses works better since with so many members someone is sure to be smarter than me. If you re-read your post where you quoted me, with an open mind, you will realize that your tone was a complete slam of me and my opinion, and you assumed I have no knowledge or have done any research related to this issue.

As far as performance upgrades for the 325 go, it looks like Rich P has gone farther than anyone I have read about re: 325-330 upgrades. BMW has the parts locked down and are unobtainable for the general public without cores to exchange. This is obviously for the reasons I stated before- the engines are the same except for these parts and BMW needs an entry level car in the low 30K range.

I am of the opinion that BMW's stance on the OEM parts leaves the door wide open for aftermarket manufacturers to figure out engine management software that is smog legal and adds some HP. We are talking about 22HP claimed here, not the 40 difference between the 325 and 330. Why is this so hard to believe? Companies modify engine management all the time in the aftermarket to various degrees. BMW's usual tactics make it difficult. A detuned engine like in the 325 using external parts and software is a sure fit for aftermarket mods. If the 2.5L engine had been avaiable we wouldn't even be having this discussion.

Have a good night- I am going to bed.
ohhh no no, not internally. like INSIDE the block lol.

Yea, i know what you were comparing. But what the hell, the dynos will show.

We have a 325 and 330 also, so i have been looking into getting the 3 stage manifold, but the ecu is the issue. I think if you swap out the intake manifold... I dont think the Evotech will correct everything and make the car a 330..

Rich, check out LKQ - Hunts Point Auto Parts in the Brox (1-800-221-8151) they have (2) 330i ECU's for $200.00, they are out of wrecked 330's

Heres the site http://www.lkqcorp.com/home/home.asp, i think the guys name is Mike that you would wanna talk to.
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      07-15-2006, 07:07 AM   #112
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Artz,
Thanks for the headsup; they were the place I found that had a few. Going to call today and confirm they are from a 330 and get one. $200 dollars is worth the risk.
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      07-15-2006, 08:18 AM   #113
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Quote:
Originally Posted by RichP
Artz,
Thanks for the headsup; they were the place I found that had a few. Going to call today and confirm they are from a 330 and get one. $200 dollars is worth the risk.
No Prob. they have the 330i automatic 3.64 Differential I was going to pick up. But Im not doing anything to my car anymore cause Im having Electrical issues and my service dept cant fix it, so bmw bought the car car. Im just driving it till the M coupe gets here.
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      07-15-2006, 09:37 AM   #114
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I already have the diff; that was the first thing I did (last year). Required modifying the input flange to install though, still pretty simple though.

Do you have another ECU, or were u going to use the one from your car?
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      07-15-2006, 11:15 AM   #115
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Am I the only one thinking that the engine in the new 328i is likely identical to the one in the 325i with a... wait for it...

different ECU?

So there's 15hp recovered right there. Another 7 is not going to be rocket science. So the 22hp claim for the 325i is believable.

Now someone might suggest that the 328i will have the intake from the 330i. Maybe. But I'll bet they use cheaper, less sophisticated intake. If not, well at least then 328i owners will soon be upgrading their cars to 330i's.
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      07-15-2006, 11:45 AM   #116
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Fleet could answer it, but the 328, regardless of manifold, is probably direct injection, and different than current offerings (prb a "325" with DI)
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      07-15-2006, 12:03 PM   #117
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Quote:
Originally Posted by RichP
Fleet could answer it, but the 328, regardless of manifold, is probably direct injection, and different than current offerings (prb a "325" with DI)
Huh? No I don't think that can be right. NA DI motors are coming to US just yet. Its almost 100% the 328i will be N52, just like the current 325i and 330i.
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      07-15-2006, 12:27 PM   #118
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Hmm..I dunno, Im only worried about turbo power for my next E90!
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      07-15-2006, 01:25 PM   #119
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Quote:
Originally Posted by creativeautoworks
Actually Evotech has told us that they expect a larger gain from the 325 for obvious reasons, we'll just have to dyno one afterwards and seeeee, but I'm almost positive that a 330 is being dyno'ed next week.
Can't wait to hear those 325i gains. Thanks again.
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      07-15-2006, 04:07 PM   #120
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Quote:
Originally Posted by RichP
I already have the diff; that was the first thing I did (last year). Required modifying the input flange to install though, still pretty simple though.

Do you have another ECU, or were u going to use the one from your car?
i would have plugged in mine. The spare one I have my friend has it, he was trying to play around with the parameters on it.
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      07-22-2006, 08:05 AM   #121
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Just a bump 'cause we're all interested- didn't the guy from Creative say that the dyno tests were to be done by yesterday? Just wondering....
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      07-22-2006, 10:07 AM   #122
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Where are the results?
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      07-22-2006, 02:37 PM   #123
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Looks like they didnt come out as planned....?
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      07-22-2006, 07:53 PM   #124
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Maybe it decreased horsepower and torque...and they are stalling?
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      07-22-2006, 08:44 PM   #125
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I believe it can get some extra HP, but 22, I doubt it. Thanks for the effort anyway.
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      07-23-2006, 11:01 AM   #126
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lol
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      07-24-2006, 01:57 AM   #127
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So what came about with this ECU UPDATE James???? Did evotech come through or nAhh!
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      07-24-2006, 10:08 AM   #128
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*Sedan_Clan was here!*
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      07-24-2006, 11:55 AM   #129
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newb wants the update PLEASE!

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      07-24-2006, 12:27 PM   #130
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lets see those dyno charts
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Future - Intake : Exhaust : ECU Reflash
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      07-24-2006, 12:43 PM   #131
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oh well...
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      07-24-2006, 01:27 PM   #132
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We are none too patient. Let's give them some time, otherwise we'll all be begging for forgiveness later.
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