ITB's info/projects
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MLM

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« Reply #120 on: September 21, 2011, 04:32:52 AM »
Quote from: -318is-;106795
so looking at some set ups and one listed on this page, says there running s50 tb's via an air box and running the stock maf/afm is this possible?
from what ive gathered you can run 19.5lb 204cc Bosch injectors which the o2 sensor will accomadate and then run higher lift cams with a remap. so can i also on top of this run itbs on stock ecu? i really dont want to get in depth with Ms as if i had to id just do a straight turbo setup as running ms just to have itbs seems pointless for what its worth.


Yup itb's + stock ecu possible with appropriate retune. I have a local guy who will do a full dyno tune and burn the custom map on the chip. has done supercharger setups etc so the ecu is capable, just needs to maintain same sensor regime.
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Nivola

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« Reply #121 on: September 23, 2011, 12:54:47 AM »
Quote from: bmwman91;106813
Hey Nivola, that looks awesome. Do you ever come out to the Bay Area for meets or anything? I'd love to get a closer look and talk car stuff!


I live in the East Bay; haven't had much time for meets as of late -- albeit my M coupe was at Dorkfest (driven by friends of mine while I was working overseas).

The dbilas ITBs are currently out of the car (for registration) and the OEM intake is back on; I haven't had time to put them back in...
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Correrai ancor più veloce per le vie del cielo...Nivola368s.com      

dude8383

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« Reply #122 on: September 23, 2011, 03:22:44 PM »
It wouldn't pass with the ITB's? It looks completely factory!
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bwawuz02

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« Reply #123 on: January 14, 2012, 01:33:32 AM »
I was clearing out my inbox of old emails and thought I would add this here.
here's the link to their website: http://www.gttechnic.com/catalog.html

We make an adapter for the head that makes it possible to fit the S54 throttle bodies. Cost is $375. You have to get used TBs from a wrecked E46 M3 and then you keep the car all BMW. You can get them for about $750 with the linkages. This makes it more affordable and  a cleaner installation.

In the picture I don't have the fuel rail installed, but get the injectors along with the TBs, fuel rail and air tube. You have to fab a few things, but these are all easy tasks.
 
Donald
GT Technic


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craz azn

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« Reply #124 on: January 14, 2012, 08:59:33 PM »
Quote from: bwawuz02;109618
I was clearing out my inbox of old emails and thought I would add this here.
here's the link to their website: http://www.gttechnic.com/catalog.html

We make an adapter for the head that makes it possible to fit the S54 throttle bodies. Cost is $375. You have to get used TBs from a wrecked E46 M3 and then you keep the car all BMW. You can get them for about $750 with the linkages. This makes it more affordable and  a cleaner installation.

In the picture I don't have the fuel rail installed, but get the injectors along with the TBs, fuel rail and air tube. You have to fab a few things, but these are all easy tasks.
 
Donald
GT Technic


+1 for Donald, he is a great guy, and one heck of a source of knowledge when it comes to anything BMW related!
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bwawuz02

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« Reply #125 on: February 22, 2012, 06:24:53 PM »
^^WTF??? First post in 3.5 years!
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danlolasdad

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« Reply #126 on: February 22, 2012, 08:44:24 PM »
Quote from: E36-italia;101592
just spotted these two images on speedhunters ...


Does anybody has more info on those itb's?
with no filter...it will be noisy as hell i think.

It's missing also the heater and stuff (no need in a track car)
Any further info 'bout the car will be welcome too!

those are toyota 4age 20v itb's with homemade/custom inlet manifold/adapter/s

as are these

http://ll.speedhunters.com/u/f/eagames/NFS/speedhunters.com/Images/Dino%20Dalle%20Carbonare/JULY2009/TP09-P2/TP09-235.jpg
« Last Edit: February 22, 2012, 08:46:27 PM by danlolasdad »
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Doctor T

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« Reply #127 on: July 07, 2012, 07:43:55 AM »
Hi everyone,

just a quick question that i thought may as well go in this sticky.

I'm looking at motorcycle ITB's for my M43 engine (same block as the M42)

Question is, how big are the inlet holes in the block of the M42/M43 engine? I'm guessing there's little point in having ITB that have a much larger internal diameter than the hole in the block?
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MLM

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Re: ITB's info/projects
« Reply #128 on: May 25, 2013, 12:24:30 AM »
My set up just completed and now running.

Dbilas throttles with custom carbon airbox with internal staggered trumpets. Tuned on aftermarket ECU. Exhaust is a custom equal length header (RHD) and 2.5 inch exhaust. All DIY made.

Dyno pending
« Last Edit: June 12, 2013, 01:05:13 AM by MLM »
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sjoerd

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Re: ITB's info/projects
« Reply #129 on: June 07, 2014, 12:48:09 AM »
i am planning to buy dbilas ITB's and i was wondering if this can run with the stock ecu? i would go to e profesional tuner and let him tune the enige so i runs perfect but a lot of guys i know say i will need a alpha-N unit, an convert to MAF.. but this will all be very expensive modifications :s but non of the guys who told me this have a ITB's and a lot of m42 owners here do have itb's so i was wondering: can i run dbilas itb's with stock ecu and just let a proffesional tuner retune my ecu or can he make a custom chip that tune's my whole engine? (sorry for the crapy english)
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MLM

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Re: ITB's info/projects
« Reply #130 on: June 07, 2014, 04:58:22 AM »
Hi Sjoerd,

Stock ecu is capable but would need a tune. You can run alpha-n (I am) but its not a requirement for a ITB setup..
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sjoerd

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Re: ITB's info/projects
« Reply #131 on: June 07, 2014, 12:08:38 PM »
Quote from: MLM on June 07, 2014, 04:58:22 AM
Hi Sjoerd,

Stock ecu is capable but would need a tune. You can run alpha-n (I am) but its not a requirement for a ITB setup..
okay thank for the reply :)
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sjoerd

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Re: ITB's info/projects
« Reply #132 on: June 10, 2014, 03:31:25 PM »
is someone here who just has dbilas itb's and no other mods and still has the original ECU? because over here people ceep telling me that i wil need more than just a ECU tune if i want my engine to run smooth with dbilas itb's
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MLM

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Re: ITB's info/projects
« Reply #133 on: June 10, 2014, 07:56:35 PM »
Yes I did before I installed a new ecu to enable future expansion. MAP/MAF/MAS/A-N are airflow measurement strategies which can all be used.

I would suggest talking to a tuner in your area who can do the work. By tune I mean dyno time with fuel and ignition corrections, not an ebay chip. They will understand the limitations of the ECU/engine package and can explain the gains/losses to you.

Good luck.
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Warsteiner

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Re: ITB's info/projects
« Reply #134 on: June 10, 2014, 08:14:55 PM »
Anything can be tuned on an ECU, even slide throttles if you know what you're doing. Like MLM said, find a tuner in your area that knows how to tune your ECU/ engine.  IF they don't know your ECU, then while you're there, ask them what aftermarket system they like to use so you know for the future if you ever decide to go in that direction.

Cheers,
~Ralph
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