RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (2024)

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Board index » Engine Management Systems - Analysis and Tuning » BMW » DME Tuning » MS43 Tuning

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tjwasiak

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Thu Dec 24, 2020 10:07 am

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (5)
Experienced

Joined: Mon Nov 06, 2017 9:46 pm
Posts: 153
Location: Warsaw, Poland, (Polish, English)

I just do not understand why you are removing IAC valve while still running intake manifold where it is not an issue to have one...
Which base software are you using? M54B25? B30? Have you tried to run current setup on MS42 ECU and get logs? Why you changed ECU and are you sure you properly tuned base MS43 software for different engine (because from ECU side the differences are not that small)?

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (7)
BMWACSCHNITZER

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Sat Jan 30, 2021 4:14 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (9)
Newbie

Joined: Wed Mar 23, 2016 9:39 pm
Posts: 97

Got mine today for 50euro and I wonder how to fit the injectors without cutting plastic because I want to use it for forced induction.Maybe i should fire the TIG and make a flange,any ideas? RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (10)

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (12)
Shoebdo

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Fri May 28, 2021 3:05 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (14)
Newbie

Joined: Fri May 28, 2021 2:56 pm
Posts: 1
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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (16)
capitaoronan

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Sat Jun 12, 2021 2:02 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (18)
Newbie

Joined: Sat Jun 12, 2021 1:49 pm
Posts: 2

and how were the results?
worth it ? how many HP improved?

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (20)
xMoSeSx

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Wed Aug 11, 2021 7:42 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (22)
Newbie

Joined: Thu Jul 02, 2020 6:08 pm
Posts: 8

capitaoronan wrote:

and how were the results?
worth it ? how many HP improved?

Would be very interesting. It should also work on b25 or ? maybe a good alternative to the b30 intake

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (24)
SpeedKing

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Sun Jan 02, 2022 12:44 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (26)
Newbie

Joined: Sun Jan 02, 2022 8:01 am
Posts: 1

Hey mates, greetings from Bulgaria!
Happy new year, wish you all to be healthy and happy, and more powerful engines!

I'm starting to collect the parts for this intake upgrade and i'm searching for info about the customizing of the portmatching and mounting the fuel injectors.

Is there an adapter flange needed between the head and manifold or it fits bolt on?(this week manifold will be in our shop)
What are the methods of mounting fuel injectors, i saw one guy cuts injector pieces from the m54 manifold and gluing them on n54 runners, that's look little scrappy, but its works fine( he makes 230whp and 245wnm - from m52b28 tha's his dyno graphic (in compare to m50b25 manifold is 30hp and 34nm less))
And there's an adapter flange with injectors holes from one dude but that makes runners lot longer and it's about 600$ which makes that upgrade too expensive, closer to s54 itb...

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (28)
Aguirre

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Thu Jan 06, 2022 2:51 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (30)
Newbie

Joined: Sun Oct 07, 2012 4:44 am
Posts: 94

Any adapters to this manifold to mount the injectors is a failure.They significantly extend the length of the collector and its entire geometry.
After such a procedure, we get practically the M50B25 collector.
The only correct solution is to weld the collector, etc.

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (32)
tipsb

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Fri Jan 07, 2022 5:02 am

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (34)
Newbie
RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (35)

Joined: Tue Oct 02, 2018 6:11 pm
Posts: 49

Aguirre wrote:

Any adapters to this manifold to mount the injectors is a failure.They significantly extend the length of the collector and its entire geometry.
After such a procedure, we get practically the M50B25 collector.
The only correct solution is to weld the collector, etc.

Original N54 manifold runners are too short for M52TU/M54. The peak of torque occurs outside the engine RPM range, something around 8k rpm.

I heard that the short length of the N54 intake manifold runners is due to the greater length of the channels in the N54B30 engine head, this is not confirmed information, if someone has knowledge about it - a request to share it RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (36)

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (38)
BMWACSCHNITZER

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Fri Jan 07, 2022 7:35 am

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (40)
Newbie

Joined: Wed Mar 23, 2016 9:39 pm
Posts: 97

tipsb wrote:

Aguirre wrote:

Any adapters to this manifold to mount the injectors is a failure.They significantly extend the length of the collector and its entire geometry.
After such a procedure, we get practically the M50B25 collector.
The only correct solution is to weld the collector, etc.

Original N54 manifold runners are too short for M52TU/M54. The peak of torque occurs outside the engine RPM range, something around 8k rpm.

I heard that the short length of the N54 intake manifold runners is due to the greater length of the channels in the N54B30 engine head, this is not confirmed information, if someone has knowledge about it - a request to share it RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (41)

With this said for the runner lenth/peak torque it sounds like there is no point to put ITB's on an engine?? RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (42)

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (44)
tipsb

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Tue Jan 11, 2022 5:32 am

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (46)
Newbie
RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (47)

Joined: Tue Oct 02, 2018 6:11 pm
Posts: 49

maybe after adjusting the length of the trumpets?

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (49)
rovnald

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Mon Nov 14, 2022 4:19 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (51)
Newbie

Joined: Mon Nov 14, 2022 3:47 pm
Posts: 1

I'm very interested about mounting N54 Intake on M54 and i can't find any more information about it, except few topics, two photos and a very expensive adapter, i want to bump this topic. RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (52)
So, plastic welding/glueing port injector bungs to N54 intake is more or less straight forward, but what about that torque... Racemode adapter extends the runners alot, and gets impressive dyno results.
Manifold + Throttle body is less than 100euro together, so im not interested in 600euro (or more) adapter just to mount injectors.
Maybe someone have something to say about the loss of torque or other injector mounting methods (or even joining m54 intake runners with n54 together or smth about that RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (53) )

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (55)
BMWACSCHNITZER

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Thu Sep 07, 2023 5:22 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (57)
Newbie

Joined: Wed Mar 23, 2016 9:39 pm
Posts: 97

A little update...I have managed to plastic weld the injector ports and the engine has already 1500 miles on it.It feels very good but sometimes its not as smooth as driving the stock intake.I think its the load filtration,intake model maps and VO maps that are causing this.The TB is from N52,stock M54 MAF and injectors.The cams are regrinds 252 and 240.Will be installing Schmiedmann headers and full custom exhaust and then will go for the dyno.Any suggestions how to deal with the load filtration maps.I checked ALPINA sw and it only uses 1 single table for valve overlap but it has single VANOS.About the intake model I have no idea how to deal with its maps...The intake was the most time consuming in the entire project but I think it will be worth it.Any ideas will be appreciated!I also have a MAP sensor to log intake pressure if it can help.I havent noticed if the logger has caculated IAP value so I can compare them maybe?I think the best option for power is alpha/n but its my daily...

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (59)
BMWACSCHNITZER

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Thu Sep 07, 2023 5:27 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (61)
Newbie

Joined: Wed Mar 23, 2016 9:39 pm
Posts: 97

Here are some photos from the process...

You do not have the required permissions to view the files attached to this post.

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (63)
Bahmanson

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Sat Dec 16, 2023 7:25 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (65)
Newbie

Joined: Tue Oct 15, 2019 6:13 pm
Posts: 58
Location: Azerbaijan, Baku

BMWACSCHNITZER wrote:

A little update...I have managed to plastic weld the injector ports and the engine has already 1500 miles on it.It feels very good but sometimes its not as smooth as driving the stock intake.I think its the load filtration,intake model maps and VO maps that are causing this.The TB is from N52,stock M54 MAF and injectors.The cams are regrinds 252 and 240.Will be installing Schmiedmann headers and full custom exhaust and then will go for the dyno.Any suggestions how to deal with the load filtration maps.I checked ALPINA sw and it only uses 1 single table for valve overlap but it has single VANOS.About the intake model I have no idea how to deal with its maps...The intake was the most time consuming in the entire project but I think it will be worth it.Any ideas will be appreciated!I also have a MAP sensor to log intake pressure if it can help.I havent noticed if the logger has caculated IAP value so I can compare them maybe?I think the best option for power is alpha/n but its my daily...

The ports from which engine manifold?

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (67)
BMWACSCHNITZER

Post subject: Re: m54b30 lntake manifold and throttle (maf reading)

Posted: Sun Dec 17, 2023 2:44 pm

RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (69)
Newbie

Joined: Wed Mar 23, 2016 9:39 pm
Posts: 97

M52TU/M54

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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (71)
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RomRaider • View topic - m54b30 lntake manifold and throttle (maf reading) (2024)

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