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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 > Tech Info: E90 330i N52 Three-Stage Intake Manifold



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      11-10-2018, 12:12 PM   #881
nsjames
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well I managed to score the intake from an 06 330i with the disa valves attached for $150.

I need to get a better cable as I don't trust this one for programming.
and then hit the bimmerlabs up for the DME firmware.

I grabbed the bolts/studs fro mthe donor car. Is there anything else I need?
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      01-24-2019, 05:38 PM   #882
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Well, I'm glad I had the laptop with me today...

I had decided to flash the NoMAF option yesterday. Went generally well and I reset adaptations. It was all pretty good and I was thinking that I agreed with hassmaschine that it was smoother throughout the band. Well, come this morning, I got the Limp Mode engine light. Cleared it and it popped back up. I'll have to look back at the history to get the exact ones again, but it was just before work and I basically did a quick flash to the 330i version and reset before heading out to work. Working fine now and it had been working fine before the NoMAF setup -- I'll check the codes and see what the spectrum of them meant...or if it was just me too long in 2nd and 3rd :P Love the sound of those gears.
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      03-11-2019, 12:20 PM   #883
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You can me to the list of successful IM swappers. I started to develop issues with my starter at 70k on my 328xi 6mt, so no better time to swap manifolds. I picked up a 3 stage manifold from an n51 with disas for $175. Unfortunately the large disa had more play than I would have liked, so I ended up buying the rebuild kits for both disas. I took me roughly 5 hours total to swap manifolds and replace the starter. The job is very well documented, and much easier than I had thought.

I drove the car for a week on the stock tine with no issues, and flashed the 330i tune this past weekend. Using the batch files that hass and bimmerlabs provided couldn't be easier. That being said, I was still a little nervous flashing the MSV80.

As a side note, I read some conflicting accounts of resetting adaptations via INPA, is that worthwhile? I would assume flashing a tune would clear everything.
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      03-31-2019, 08:41 PM   #884
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I reset nothing.
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      05-17-2019, 05:40 PM   #885
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So i bought a manifold that i thought was an N51, but the part numbers don't match up, it's a 754802709 which does not come up on realoem at all. Googling only shows it as an X1 manifold, it does say N52B30 on it as well, so maybe it's fine? It looks exactly like all the pictures i can find of the correct part... i just don't want to get my car totally disassembled then find out this thing doesn't bolt up. anyone know what this could be?
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      05-17-2019, 05:47 PM   #886
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x1 and e91 are cousins,
t's probably fine.
make sure the connectors on the manifold look like the connectors in the chassis.
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      06-01-2019, 09:21 PM   #887
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Help

I have a question. I currently own a BMW 325i 2010, my Chassis code is WBAPH110XAA636865.

Being a 325i LCI Euro 2.5, my understanding is that I already have the 3 stage manifold and I only have a detuned engine. My question is, can you guys help me corroborate this, as Id like to purchase the AA 330i tune file, and buy the AA Exhaust for my car, even better maybe midpipes, get them too.

But if I have to get 3 stage manifold.. I'd prefer to pass on the upgrades and just save to get a 330.

No 335i as I already own one, just want a NA that responds.

Thanks!!!
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      06-02-2019, 08:57 AM   #888
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following up on my prior post above, i did the swap yesterday and the 754802709 manifold is exactly the same. the only difference i could find was that the screws that hold the map sensor in place are shorter, so i used the screws that came with the 3 stage mainifold. not sure if the others would have bottomed out but i didn't want to strip the plastic trying.

otherwise it was a pretty straightforward job, some tricky access to connectors but not that difficult overall. I did take off the bracket that holds in the "wiring junction box" instead of unclipping it, some DIYs say unclip, some say unbolt the bracket. hard to get access to the torx screws but i didn't think unclipping was going to happen without breaking the plastic on the box. i didn't break the infamous vent hose but i replaced it anyway since i bought one.

also check to see if you actually have a 11mm deepwell socket before you start, i just assumed i did but my set skips 11mm. fortunately my backup cheapo set actually had one.

i do wish i did the spark plugs at the same time since the engine cover was already off, no idea how old mine are. if you have any suspicion on your starter you should replace that too since you basically have to do this whole job to get the starter out.
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      06-27-2019, 01:09 PM   #889
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Quote:
Originally Posted by vivalahueva View Post
I have a question. I currently own a BMW 325i 2010, my Chassis code is WBAPH110XAA636865.

Being a 325i LCI Euro 2.5, my understanding is that I already have the 3 stage manifold and I only have a detuned engine. My question is, can you guys help me corroborate this, as Id like to purchase the AA 330i tune file, and buy the AA Exhaust for my car, even better maybe midpipes, get them too.

But if I have to get 3 stage manifold.. I'd prefer to pass on the upgrades and just save to get a 330.

No 335i as I already own one, just want a NA that responds.

Thanks!!!
As long as you're not getting headers, I'd go to bimmerlabs for their free 3STAGE INTAKE MANIFOLD FLASH. Without headers, the rest of the AA tune won't mean a terrible amount over the bimmerlabs (if any really). Not sure how much a Euro spec would vary since they have a MAFless tune available as well; but that's a question for them.

Bimmerlabs could also do a custom tune to a certain degree for a fee. Hurts you nothing to try that first and put in a submission to them to find out.

To check if you have a 3IM, just pop the hood and see if you have the large DISA connected on the outside of the intake manifold...this how-to shows you the before and after to check: https://www.pelicanparts.com/techart...ld_Upgrade.htm
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      07-14-2019, 11:07 AM   #890
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3IM questions

Hi,
I am pulling an intake manifold from a 2006 330 on Wednesday.

1. Will all intake manifolds from 330's fit my 2011 328(N52K)? I saw in the posts that some have 2 hose connectors and others have 1, is this a deal breaker?
2.Should I be getting anything else at the scrap yard while I'm there? If I understand correctly the ECU is not needed, nor anything else.
3.How can check the disa's while at the scrap yard?

Thx a lot and please add info if you think that it could be of use to me.
David
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      08-05-2019, 10:02 AM   #891
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Is buying a new 3IM over a used one in good condition worth it?
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      08-05-2019, 12:48 PM   #892
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If you like burning cash for fun, sure.
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      08-05-2019, 03:59 PM   #893
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Quote:
Originally Posted by hassmaschine View Post
If you like burning cash for fun, sure.
That's what I figured too
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      06-10-2020, 05:28 PM   #894
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Hello guys,

I’m new here. Just wondering what it I flash 330 into my 328 without changing 1IM to 3IM. What will happen ? Will I gain some HP?

Thanks.
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      06-10-2020, 05:37 PM   #895
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You'll have less HP.
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      06-10-2020, 05:39 PM   #896
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Quote:
Originally Posted by vilord View Post
You'll have less HP.
no. you'll have less power (and torque) than a 330i, but valve lift will still be increased, as will AFR, ignition, and torque mapping.
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      06-10-2020, 06:37 PM   #897
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huh, okay
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      06-21-2020, 05:11 PM   #898
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Quote:
Originally Posted by hassmaschine View Post
no. you'll have less power (and torque) than a 330i, but valve lift will still be increased, as will AFR, ignition, and torque mapping.

Guys I’m wandering will it be better than stock 328i, or it will decrease current power?

Also if ECU send signal to DISA, but it not reach to physically to target, what will happen in that case? Did I will broke something?

And finally I have PBX, not installed it yet, will flashed 328 to 330 without changing 1IM to 3IM runs normally? Or I will broke somethin?

Thanks.
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      06-25-2020, 11:51 PM   #899
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I will tell if it makes a good difference or not I'm hopefully flashing on a stock car this weekend so we'll see. Maybe it'll pop a disa valve shadow code or who knows.

Update: You will definitely gain power on a fully stock car. I will dare to say the tune itself is about half the power of the whole swap then the other is the manifold with the variable runners itself. Every 328 even if meant to stay stock should get flashed with the 330i tune.

Last edited by E92William; 07-05-2020 at 01:11 AM..
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      06-26-2020, 09:47 PM   #900
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I got one from a 2011 E89 Z4 3.0i, before they went 4 pot turbo. Looks decent but I'll probably end up replacing at least the inner one before install.
Should I pay someone to flash to E89 Z4 code? Or should I get Tuning service from ECS aka Turner Motorsports? Is there more power to make with tune? Currently on OE header and will be for a while until clutch replacement in 20k miles or so.
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      07-23-2020, 07:58 PM   #901
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Hio guys have done 3 stage upgrade and bimmerlabs tune already. Have some story on this, sadly i did not dynoed it before started upgrades, but at first i flashed ecu with bimmerlabs files, it felt maybe better response, but not much so i still was going to dyno and it was like 160kw, after that i bought 3stage manifold swap and did some work, deleted all adapts, ran it for few days and went to dyno again and somehow im getting stock power lol.
Car doing stock 7s to 100km/h
No errors, new plugs and etc..

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      07-23-2020, 08:08 PM   #902
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Is your car a 6 speed manual or automatic? 225 at the wheels is in the range or rather above average that is fine for a 3 stage manifold swap car, at least a manual. You should feel a nice difference though specially midrange and up. That's only 25hp drivetrain loss from 255hp which is 10%.

A dyno is only a good tool if you get a baseline because then you get to compare upgrades. Comparing one dyno to the other will never be exact.

If you want to double check against other NA dynos there's a whole thread here:
Https://www.E90post.com/forums/showthread.php?t=916863
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