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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > BM3 Stage 2 AGG Dyno Results

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      05-15-2019, 07:50 PM   #1
Dexon
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As I promise here we have the result after all the money that I throw to the car, and Im kind of disappointed, but let me know guys what to think, am I crazy? Or my expectations was to high?

So this is M2 N55 2018 6MT
Mods
Intercooler WR EVO Competition 2
Charge pipe ER
Eventuri intake V2
Fabspeed catless DP
BM3 Stage 2AGG 93
MPerformance exhaust

Blue and red are the pulls with stage 2, different gear, red was my baseline stock.

Temperature this day was 73 Fahrenheit not that it matter but who knows


So I was expecting at least hit 400whp but not even close, the torque I'm ok with that, the behavior at 6k rpm is it normal? I think something is wrong with the tune.

So I'm open to listen you guys what you think about it
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Last edited by Dexon; 05-17-2019 at 08:16 AM..
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      05-15-2019, 08:35 PM   #2
PackPride85
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Tune might be too aggressive. Try stage 1 or stage 2 91 oct.
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      05-15-2019, 08:41 PM   #3
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30HP 60TQ gains from all those mods are definitely 20 or so lower than I've seen. I would do a couple data logs and go from there.
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      05-15-2019, 11:53 PM   #4
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I recommend datalogging to check whats going on
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      05-16-2019, 02:27 PM   #5
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fuel pump for over 6k?

As for gains in power don't know. 355 seems high though for stock whp.
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      05-17-2019, 03:53 AM   #6
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Halim@HCP posted an other Stage 2 93 dyno result on: https://f87.bimmerpost.com/forums/sh...&postcount=213
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      05-17-2019, 07:57 AM   #7
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Quote:
Originally Posted by squixs View Post
Halim@HCP posted an other Stage 2 93 dyno result on: https://f87.bimmerpost.com/forums/sh...&postcount=213
These numbers I was looking for, which are your modes?
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      05-17-2019, 08:05 AM   #8
Dexon
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Quote:
Originally Posted by PackPride85 View Post
Tune might be too aggressive. Try stage 1 or stage 2 91 oct.
Why would be too aggressive?, and how this could affect?
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      05-17-2019, 08:06 AM   #9
Dexon
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Quote:
Originally Posted by mike@x-ph.com View Post
I recommend datalogging to check whats going on

I created a ticket to see if the tune is wrong or something else
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      05-17-2019, 08:33 AM   #10
squixs
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Quote:
Originally Posted by Dexon View Post
These numbers I was looking for, which are your modes?
It isn't my car, but according to the post: Stage 2 93 octane. Pump fuel and supportive mods.
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      05-17-2019, 08:34 AM   #11
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Quote:
Originally Posted by Dexon View Post
Why would be too aggressive?, and how this could affect?

I think what PackPride85 is saying is that you might be running into an issue where your car can't handle the 93 octane map. Perhaps bad fuel. Perhaps inadequate cooling on the dyno run (even though you've got Evo 2 comp). The car would pull timing as a result in order to prevent knocking, and your power would suffer as a result.

I don't enough to know if that's the case, but I believe it's what he's suggesting.
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      05-17-2019, 11:14 AM   #12
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I was about to purchase the BM3. Since I have similar mods and, I'm going hold my self to see what happen with your case.

I just saw this video also:
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      05-17-2019, 11:22 AM   #13
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Time for a S55 if you want to hit 400 whp
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      05-17-2019, 03:33 PM   #14
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Quote:
Originally Posted by JeffM2PRDallas View Post
I was about to purchase the BM3. Since I have similar mods and, I'm going hold my self to see what happen with your case.

I just saw this video also:
You can find another video where a FBO M2 races two different M3s and is fairly even with both of them.
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