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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 06-16-2011, 01:17 PM   #21
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I really don't care much for dyno's, my butt is pretty well configured and I know when I've made gains.

However for the sake of the community I would like to get undeniable proof as to how cheaply I've made power with this car. So, after the tune I will be getting a dyno.

Does he do more of a street tune using a/f ratio and wide band sensors? Or is it the same deal as AA and Shark, just a one size fits most tune without tweaking to the cars response?
He can do both. Price will vary of course. LOL

He has basic tunes (no mods) he has tunes for mods as well (headers, intake, throttle body) you just tell him what you have done and he'll alter to it.

Installing a wideband , monitoring + tuning on the go will run you into the thousands. Do you even realize how much work it is? How many hours do you think he has to spend to monitor and tune? And plus you dont need all that.
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Old 06-17-2011, 11:20 AM   #22
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Ya I get that it is alot, its just that these m54b30 intakes on our m52tu engines are kinda uncharted territory and I would suspect that there is more to be had there that a standard map doesn't take into account. But your right, its also alot more than I would like to spend given the premise. I certainly would want cams before messing with an expensive tune.
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Old 06-17-2011, 08:07 PM   #23
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Get shrick cams 3.5" maf then go to Mark. You can expect 265bhp easily

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Old 06-28-2011, 03:12 PM   #24
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Get shrick cams 3.5" maf then go to Mark. You can expect 265bhp easily

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If I were going to do Schricks, I'd do the 330 ones. The intake cam is all mild on the 328 setup and there is no good reason for it. That's a big part of why our cars are so lazy.

But if I were spending the money for that, I'd spend the money for an AA supercharger or a custom GT3788R setup and make power I could really brag about.

On our cars, i.e. the bastard stepchildren of the E46 generation, a full 330 exhaust, maybe a 330 intake cam, the M54 manifold and a tune to run it are all I would bother to do. Maybe if I thought there were a few more gains to be made I'd run the 330 MAF.

But at the end of the day, and that's not a cheap or easy day, we'd just be a destroked 330.

That's why I have an S50 E30.
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Old 06-28-2011, 05:37 PM   #25
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M54 manifold, headers, 3.5 intake, pulleys, exhaust and a tune should be fairly inexpensive and net you around 220+whp.
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Old 06-28-2011, 06:38 PM   #26
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323i power gains?

Noobie here

So if I am following this correctly it is possible get 220 + whp on 323?
MB45 intake, 330 cams, exhaust and thats it?
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Old 06-30-2011, 10:25 AM   #27
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Noobie here

So if I am following this correctly it is possible get 220 + whp on 323?
MB45 intake, 330 cams, exhaust and thats it?
Nope, not on a 323, though you should see decent gains, we are talking about a 328.
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Old 07-22-2011, 08:20 PM   #28
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Love this thread! Subscribed.
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Old 08-16-2011, 01:31 PM   #29
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Not 100% but if you use a m54 bottom end (330) on a 323 with a m52tu it should bolt up right?
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Old 08-16-2011, 02:15 PM   #30
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Yeah. Same Bore, different Stroke. Go for it and let us know how you fair!
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Old 10-07-2011, 10:42 AM   #31
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Update

I just purchased a Long Tube Cold Air Intake that will be installed tonight. I also booked a dyno test for next Thursday. Stay tuned!
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Old 10-07-2011, 01:07 PM   #32
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Post #1 "(Unfortunately I do not have a dyno of a before from my car, but the local tester is very reputable and gets accurate and reasonable results)"
I just purchased a Long Tube Cold Air Intake that will be installed tonight. I also booked a dyno test for next Thursday. Stay tuned!

Take both your old & new intake with you. Drive there with stock OE intake installed, dyno 1st & 2nd run with it. Do a quick 5 min. change over to the new long tube CAI & do runs #3 & maybe #4. Then you'll know what it's worth.


Good luck.
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 10-07-2011, 01:49 PM   #33
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I could do that, except that I have to put the CAI on ahead of time because I have xenons and will have to do some fabrication to make things work.
Also, I already have headers, m54b30 intake manifold, and a euro 2 tune...
So the before and after would not be the greatest comparison.
Last, I think I'd like the computer to have some time to get used to the CAI.
If time allows at the dyno, I will remove my CAI and put back on the stock airbox.
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Old 10-07-2011, 01:56 PM   #34
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Fair enough.


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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 10-07-2011, 02:01 PM   #35
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Ya, honestly, I wish I could have baseline dynoed... maybe someday I'll switch back to see.
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Old 10-07-2011, 10:18 PM   #36
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Well, I definitely feel a gain with the cold air intake. Like the euro 2 tune i've done, it smoothed things out and just feels liked i've gained all over slightly. Not as drastically different as the headers/intake manifold. But a gain none the less. We'll see the results next Thursday.
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Old 10-13-2011, 07:40 PM   #37
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Well I got the car dyno'd today. One thing of note is that I got to the appointment late and didn't have much time to dyno. The runs were with no fans and therefore would be somewhat higher with adequate cooling. This is especially the case given that I gave it on the way there in an attempt to be on time. Also, I then had no time to do back to back comparison of with and without the cold air intake.

Even so, I'm pretty happy with the result. 189-HP/186-TQ rounded. This is with no more than 300 invested in parts at this point.

Mods:
Ebay Headers, m54b30 intake manifold, Rebirth Motorsports long tube CAI, and OEM (stock) euro 2 software.

*Edit: here is a proper screen capture of my dyno:*
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Last edited by jared_wiesner; 10-15-2011 at 12:01 PM.
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Old 10-13-2011, 07:45 PM   #38
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dyno

Do you have any idea how was your air fuel ratio on the runs? Do you have the data file?

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Quote:
Originally Posted by jared_wiesner View Post
Well I got the car dyno'd today. One thing of note is that I got to the appointment late and didn't have much time to dyno. The runs were with no fans and therefore would be somewhat higher with adequate cooling. This is especially the case given that I gave it on the way there in an attempt to be on time. Also, I then had no time to do back to back comparison of with and without the cold air intake.

Even so, I'm pretty happy with the result. 189-HP/186-TQ rounded. This is with no more than 300 invested in parts at this point.

Mods:
Ebay Headers, m54b30 intake manifold, Rebirth Motorsports long tube CAI, and OEM (stock) euro 2 software.

Here is the pic of my dyno slip (sorry its slightly fuzzy):
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Old 10-13-2011, 08:20 PM   #39
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No I don't, I'm going to be going back to get the data file. I also just realized the run was mapped by speed and not rpm which is silly. Also, unfortunatly today we did not have time to hook up for an air fuel reading. I will continue to update though and will with future mods/dynos get air fuel readings.

I am a little annoyed by how rushed things were, but at the same time... i was the one who was late.
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Old 10-13-2011, 10:51 PM   #40
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No I don't, I'm going to be going back to get the data file. I also just realized the run was mapped by speed and not rpm which is silly. Also, unfortunatly today we did not have time to hook up for an air fuel reading. I will continue to update though and will with future mods/dynos get air fuel readings.

I am a little annoyed by how rushed things were, but at the same time... i was the one who was late.

Yes, next time AFR readings.

Truth be told, you have one of the best WHP outputs for any 328i as I read through Iceman00's Dyno thread.

Next 2 Mods:

1) Shark Injector

"1999-2000 E46 328i (M52tu engine) Performance Software Peak Gains
HP Gain + 15 @ 6200 RPM
Torque Gain + 12 @ 3500 RPM
New Rev Limit 7000 RPM"

Those are "Best Case" crank HP figures, so by calculating high at a 25% drive train loss you'd probably see 11.25WHP & 9WTQ.

2) Under drive pulleys, somewhere in the 3-5WHP range.


Congratulations
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SUMMIT POINT WV 1:24:229 S.C.C.A.
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Quote:
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!

Last edited by Rob43; 10-15-2011 at 01:47 PM.
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