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BMW M5 F90 (2018+) General Forums Engine, Exhaust, Drivetrain, Tuning Modifications    Noelle Tune Before/After

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      09-29-2022, 09:19 PM   #45
pbonsalb
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I would not bother with race gas. Experiment to find your ideal E85 mix without a tune (or buy a tune). Race gas costs too much. E85 is cheap. Performance has to be easy and sustainable. Otherwise you will find yourself when challenged to a speed contest with hood competition to decline or say, “no, I don’t actually have a car that will run 10.3 at 135 right now — let me go get some E85 and let the computer adapt….” I use meth because there is no E85 locally and I don’t want to buy 55 gallon drums and pump myself into every tank.
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      09-30-2022, 08:01 AM   #46
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Quote:
Originally Posted by pbonsalb View Post
I would not bother with race gas. Experiment to find your ideal E85 mix without a tune (or buy a tune). Race gas costs too much. E85 is cheap. Performance has to be easy and sustainable. Otherwise you will find yourself when challenged to a speed contest with hood competition to decline or say, “no, I don’t actually have a car that will run 10.3 at 135 right now — let me go get some E85 and let the computer adapt….” I use meth because there is no E85 locally and I don’t want to buy 55 gallon drums and pump myself into every tank.
Buy a tune different than the Noelle you mean? I'm confused.
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      09-30-2022, 08:14 AM   #47
pbonsalb
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You are just adding octane for consistency unless the tune is designed to be flexible (Carbahn claims its tune will adapt). How you add a little octane is up to you. Race gas is a waste in my opinion since it has about $10 per gallon. Mixing in some E85 is the way to go if it is readily available in your area. Even a stock tune can handle a little E85.

If you really want to add more performance through octane, you need a tune for that octane. Otherwise it is just a safety device to ensure the tune performs as expected. Most tunes are conservative to start with.
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      10-01-2022, 10:17 AM   #48
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Quote:
Originally Posted by pbonsalb View Post
You are just adding octane for consistency unless the tune is designed to be flexible (Carbahn claims its tune will adapt). How you add a little octane is up to you. Race gas is a waste in my opinion since it has about $10 per gallon. Mixing in some E85 is the way to go if it is readily available in your area. Even a stock tune can handle a little E85.

If you really want to add more performance through octane, you need a tune for that octane. Otherwise it is just a safety device to ensure the tune performs as expected. Most tunes are conservative to start with.
Hmmm. From what I have seen, tunes use up the timing and boost buffer BMW leaves in, therefore reducing safety margins BMW purposely left in. I believe the F90's DME is better at handling and correcting tune issues (read: pull timing) before catastrophic engine failure occurs then the F10 M5 did but IMHO I think it's still wise to run at least 93aki on any tuned turbocharged BMW. Safety margin aside, It nearly always results in a net performance increase in my experience. 95ish seems to be the sweet spot, anymore is usually a waste of money unless it's a stage 3 type tune and pushing turbo effectiveness to the ragged edge.

Last edited by Sophisticated Redneck; 10-01-2022 at 10:25 AM..
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      10-02-2022, 02:43 PM   #49
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Have not tried ethanol or race gas yet. Hoping to get to the station today or tomorrow, but did run my personal best 60-130. I am just happy the Noelle was not a complete waste of $3K (More like a waste of $1500). Wondering what little upgrades to do next. Do not want to get too nuts as it is my daily.

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      10-02-2022, 02:54 PM   #50
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That is fast. You can’t add any more boost with that tune and the tune is made for 93 so more octane probably won’t help much. It will make performance more consistent, such as not dropping power on a hot day.

I would remove the charcoal filters if you have them in your air boxes, buy the Dinan turbo inlet pipes, and swap to catless secondary downpipes. Leave it at that — a tiny bit less restriction into the motor and a tiny bit less restriction out.

Last edited by pbonsalb; 10-04-2022 at 07:08 PM..
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      10-04-2022, 04:25 PM   #51
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Quote:
Originally Posted by pbonsalb View Post
That is fast. You can’t add any more boost with that tune and the tune is made for 93 so more octane probably won’t help much. It will make performance more consistent, such as not dropping power on a hot day.

I would remove the charcoal filters if you have them in your air boxes, but the Dinan turbo inlet pipes, and swap to catless secondary downpipes. Leave it at that — a tiny bit less restriction into the motor and a tiny bit less restriction out.
I cannot thank you enough for the info. I appreciate your help.
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      10-04-2022, 07:09 PM   #52
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If you do want to go further, you could buy a JB4 and meth kit and add more boost when the meth is flowing. I do this but with a BM3 OTS Stage 2 tune for 93 pump.
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      10-05-2022, 05:12 PM   #53
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So Noelle Tune is legit then? In the 6s and low7s suggest 850 crank hp
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      10-17-2022, 08:47 AM   #54
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Quote:
Originally Posted by pbonsalb View Post
ET is dependent on launch. You can work on that. There is a trans tune that some say helps, particularly if your car will no longer engage launch control (some say it is limited to 100 engagements).
Noelle tune also flashes the TCU...
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      10-17-2022, 08:52 AM   #55
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It could be most tunes do because the ECU talk to each other. I am think my BM3 flashed both ECU. But that may be different from an actual trans tune like XHP.
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      03-13-2023, 09:57 AM   #56
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https://www.roadandtrack.com/car-cul...e-performance/

Would R&T stake their reputation on it?

This, Noelle says, reduces the reliability problems that tuned cars sometimes face. That's why the company backs up its tuned cars with warranties. Should you experience a powertrain component failure that BMW won't cover due to the modifications, Noelle will fix it within the duration of the original factory warranty.
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      03-13-2023, 10:08 AM   #57
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others are also using. I am not for or against, i look at the data and personal experience. and i get that folks who have gone thru great lengths to achieve the same or better, i chose for simplicity, and big picture.

https://f87.bimmerpost.com/forums/sh...1681415&page=2

https://www.bmwblog.com/2019/11/15/n...-ft-to-f10-m5/
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      03-13-2023, 03:05 PM   #58
pbonsalb
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Quote:
Originally Posted by wrecklesswun View Post
https://www.roadandtrack.com/car-cul...e-performance/

Would R&T stake their reputation on it?

This, Noelle says, reduces the reliability problems that tuned cars sometimes face. That's why the company backs up its tuned cars with warranties. Should you experience a powertrain component failure that BMW won't cover due to the modifications, Noelle will fix it within the duration of the original factory warranty.
R&T is not staking it’s reputation on any aftermarket tuner’s claim by writing an article.
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