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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 > Three Stage Intake Manifold Conversion for 328/325



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      01-25-2018, 01:12 PM   #595
desertman123
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Originally Posted by hassmaschine View Post
haha - funny thing is, it will run like that (although the PCV system won't be happy).
After I flashed the 130i tune, I double checked the large DISA to make sure it opens correctly since I rebuilt it and I found it hilarious the car didn't even throw a CEL for my MAF being unplugged (or a gaping hole in the manifold)

Isn't it that the Euros run with only IAT sensors and no MAFs?

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Open ports and duct tape.
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      01-25-2018, 02:22 PM   #596
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Originally Posted by desertman123 View Post
After I flashed the 130i tune, I double checked the large DISA to make sure it opens correctly since I rebuilt it and I found it hilarious the car didn't even throw a CEL for my MAF being unplugged (or a gaping hole in the manifold)

Isn't it that the Euros run with only IAT sensors and no MAFs?



lightweight bro hi flow bro
Yes, most of them didn't use the MAF. the N52 was designed to run without it. I think BMW used it here mainly for emissions - I've been running a MAF delete tune for a year now and I think it's superior for the most part (way smoother at low RPM, seems to be more responsive, one less thing to break, etc).
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      01-25-2018, 04:29 PM   #597
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Quote:
Originally Posted by hassmaschine View Post
Yes, most of them didn't use the MAF. the N52 was designed to run without it. I think BMW used it here mainly for emissions - I've been running a MAF delete tune for a year now and I think it's superior for the most part (way smoother at low RPM, seems to be more responsive, one less thing to break, etc).
Would running a MAF delete tune throw a CEL or inactive sensor warning that the Smog scanners would see?

I did a MAP based tune on my S54 and it was really nice with the exception of large throttle openings at low rpms, which I think was more a function of the VANOS than anything...
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      01-25-2018, 05:00 PM   #598
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Would running a MAF delete tune throw a CEL or inactive sensor warning that the Smog scanners would see?
No - I don't have to smog my car here though so I don't know if it would pass a sniffer, but all the monitors should still set just fine.
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      01-25-2018, 05:23 PM   #599
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Isn't it that the Euros run with only IAT sensors and no MAFs?
Euro N53 is using MAF but I donít know what itís used for. My car runs happily with MAF unplugged but it throws CEL. Bob from BPC promised MAF delete software for N53. Unfortunately it was year ago and Iím still waiting.
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      01-26-2018, 02:16 AM   #600
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desertman, did you go with the BPC tune? I still have to rebuilt my DISAs before installing in the spring.
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      01-26-2018, 09:31 AM   #601
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Originally Posted by BudVlad View Post
Euro N53 is using MAF but I donít know what itís used for. My car runs happily with MAF unplugged but it throws CEL. Bob from BPC promised MAF delete software for N53. Unfortunately it was year ago and Iím still waiting.
curious Bob@BPC
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      01-26-2018, 12:45 PM   #602
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desertman, did you go with the BPC tune? I still have to rebuilt my DISAs before installing in the spring.
He has a Bimmerlabs 'OE' 130i tune - cost? $40 for a D-CAN cable and the time it takes to download and install BMW Tools (WinKFP).
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      01-27-2018, 12:19 PM   #603
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I already have the cable and BMW tools, would you mind linking me the info on the 130i tune? The BPC I find a little bit expensive--I was thinking of just installing my 3si and driving as-is.

edit: I'm on the bimmerlabs website right now..will report back if I have further questions.
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      01-27-2018, 01:05 PM   #604
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Originally Posted by nuron View Post
I already have the cable and BMW tools, would you mind linking me the info on the 130i tune? The BPC I find a little bit expensive--I was thinking of just installing my 3si and driving as-is.

edit: I'm on the bimmerlabs website right now..will report back if I have further questions.
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      01-27-2018, 02:04 PM   #605
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Originally Posted by hassmaschine View Post
He has a Bimmerlabs 'OE' 130i tune - cost? $40 for a D-CAN cable and the time it takes to download and install BMW Tools (WinKFP).
Quote:
Originally Posted by nuron View Post
I already have the cable and BMW tools, would you mind linking me the info on the 130i tune? The BPC I find a little bit expensive--I was thinking of just installing my 3si and driving as-is.

edit: I'm on the bimmerlabs website right now..will report back if I have further questions.
Am I the first 130i tuned 128i?

She pulls so hard boys. Just the 30th mod I've done that made me go "wow it should've been like this from the factory"

And I've put like 500 miles on the tune so far - it's an official BMW tune, not anything custom so nothing should go wrong, but being a ""custom"" tune that's always a thought that appears.
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      01-29-2018, 11:50 PM   #606
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Originally Posted by Spitfirocks View Post
Im soo down to doing this with my 325i. Let me know how, or help me install it, im in LA, California. Who wants to be a total boss?
Purchase everything you need my garage in AZ is open
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      01-31-2018, 08:27 PM   #607
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Here is my install all wrapped up

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      02-15-2018, 12:20 PM   #608
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I'm from europe and my 325i intake manifold already has 2 disa valves, does that mean it's stage 3?

So I would only need to tune the engine? Or since the engine is 2.5l the same results can't be achieved?

Last edited by andas; 02-15-2018 at 12:27 PM.
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      02-15-2018, 07:56 PM   #609
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Quote:
Originally Posted by andas View Post
I'm from europe and my 325i intake manifold already has 2 disa valves, does that mean it's stage 3?

So I would only need to tune the engine? Or since the engine is 2.5l the same results can't be achieved?
Yeah that's stage 3 and you should contact any tune company in Europe about that or email AA/BPC from USA.
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