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- เผยแพร่เมื่อ 29 ส.ค. 2024
- Stock HPFP Testing: • How much E85 can a STO...
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What up,big homie, chiming in again. I did the exact data logging with full e85 and 93 on my MHD stage 2+ w/TU pump. The car actually runs smoother on the E85 map. The mid-range torque felt a little better on the 93 map. I started filling e85 when chitown gas prices were 5.99 for 93.
Oh snap, I was the first comment!
You the godfather of B58s. Much love and thank you for sharing the knowledge 🙏🏾
Your videos help tremendously. Please keep up the fantastic work!
Here it is, thanks Kern!!!
You never miss man. Thanks for the content!! 💪🏻
Installed the MHD flex fuel analyzer with a TU pump and and have been running e85 with the stage 2+ multimap. Should probably run some logs soon.
I’ve found E40 on my 340i with TU Pump + MHD Flex Fuel + MHD Tune is significantly much better in terms of speed and smoothness than compared to E30, it’s cool tho with the flex fuel kit + tune. I be running E20 and the added boost is enough to increase speed.
I don’t even own a b58 and be watching your videos 😂😂 I got a shit n55
i heard you can make this hpfp fit ur n55 and gain some more power
Currently running the TU Pump + MHD Flex Fuel, going from E40 to E10(93) is soooo slow lol
Can you make a vid on how to data logs nd read them
Hi kern, for Europe, will it be possible to have the 100 to 200 time next to your 60-130 mph for a better analysis and comparison for us
Yes i will definitely do that in the future
That would be great, thanks!
🙏🏻💪🏻
Hello, I don't have much experience in the world of tuning but I bought the MHD unlock for BMW M8 2020 (bench unlock) I want to buy my super MHD license tomorrow. What else do you recommend so I don't have problems? for example mandatory ngk spark plugs? And what can I do to use ethanol with the MHD tune?
I'm running MHD flexfuel with their CAN ECA. I'm not sure what you are saying that MHD is the only option that optimizes the maps to the actual content. Sure, they will set timing and boost according to the actual E, but to me, and according to a previous video you made on this particular topic, a static E40 map running actual E42 or E43 will be faster than a flexfuel map running the same fuel.
But maybe you mean that there is no other company offering live timing and boost adaptation to the E content?
No other company has an option for optimal mix. It's a straight flat curve from e0 to e85. Only mhd has the option for Peak Performance somewhere in the middle.
Newbie question, how do you data log?
press start log, drive, press stop. i'll make a video soon
@@kern417 That would be awesome, thank you!
@kern417
Thanks a lot for that great comparison, especially your explanation on the logs.
I didn't know that you can run an OTS maps (like here the stage 2 hpfp map with flex fuel) on a non-stock turbo.
And concerning ethanol: So in the US, ethanol is available at your gas stations? Is it pure (100%) ethanol or how do I have to understand "E85"? Because normally the number explains the percentage of ethanol, for example E40=40% ethanol. So E85% would mean 85% ethanol mixed with 93 octance gas?
And concerning power: So my understanding now is, the better the fuel quality (or let's say the higher the ethanol content), the higher the timing can be set, resulting in more power. But there are limits of the system (e.g. the direct injectors) due to which after a specific amount of ethanol (limit), boost has to be decreased, resulting in total reduction of power (e.g. comparison E69 vs. E39).
For reference, OTS map does work with some non-stock turbos, but the car in this video has a stock Turbo.
And yes, there is a point where you get the optimal mix of boost and timing with an ethanol mix, and then adding more ethanol only limits the amount of boost you can run without making more power.
@@kern417
But isn‘t the car in this video your 340i with the top mount big turbo? Because you‘re writing „stock turbo“.
@@kern417
And concerning E85 (because we don‘t have it here in Germany):
So it is a mixture of 85% pure Ethanol and 15% 93 octane? That would make it not that easy to hit a specific ethanol content, if you‘re not having a flex fuel kit and rather need to hit a specific ethanol target (e.g. E40).
@@gwspom my 440i has a top mount turbo. The 340 is stock Turbo.
@@gwspom it's 85% ethanol and 15% pump gas. But they don't really confirm what the pump gas octane is. Only need to do is put 85% ethanol in the calculator when you figure out your mix. It's not that hard
Hi,
How do you get the combined view so you can compare the logs?
I pull the columns that i need in the csv file and combine them into one
Hey Kern,
I live in AZ, we have pretty poor fuel to choose from out here. Highest pump gas is 91oct, sometimes you can find 100oct. I want to start running E40 as I got the TU Pump for my F22 240. I’ve been considering buying the MHD Flex Fuel kit for the convenience factor, but if I remember correctly you said the kit doesn’t read 91 Oct so I would have to get a custom tune to go with the kit. Is that still true? Or am I just limited to Stage 2, and not stage 2+ because I can’t mix the E85 with 93? Been seeing a lot of mixed answers on the forums.
Map switching is your best bet
have you had any issues with mixing 91? I'm in a similar situation here in cali
@@noahmcauley4112 I reached out to MHD, the newest flex fuel kit now supports 91 mixing. Highly recommend getting the Gen2 sensor!
I’m running stock hpfp, VRSF dp, mhd stage 2 93oct. Have been considering tu pump to run e85. In your opinion do you think I should try e40 on stock hpfp?
the stock hpfp map is e30 but yes it's worth it
hey whats up man i have a 2020 m340 with no flex fuel kit, can i reliably run e30 and switch back to 91 with no problems?
You need a tune
Dam i do not want to sound ignorant, but i am so confuse with the flex fuel tune ... is this like a kit we get for our cars ?
Yep. You install the kit, flash the appropriate tune, and enjoy 👍🏾
@kern417 thanks for the reply man , i love the content . Would you recommend me a flex kit ?
Mhd is the most plug and play kit available
Thanks kern as I said in the last video E40 map is a beast compare to 93
I never want to go back 😭
@@kern417 fr feels like another car but where am I living ethanol cannot be found on pump u have to get it on tanks and the price is 16.34$ per one gallon!!! So I tried E40 for only one time and couldn’t do it again it does cost alot I wish it wasn’t🥲🥲
And thanks for the video again I already liked it 🙌
@@kern417
Btw: How much do you pay for E85 in the US?
@@gwspomI live in California probably the most expensive state in the US for gas and I pay 3.25 USD for E85
@@twebb5896
So 3.25 USD per gallon of 85% ethanol and 15% 93 octane?
Ethanol tune has been bad since day 1. Hopefully regapping the plugs are the answer. Missfires like crazy above e30
ots/ custom?
so kern, my tuner prefers e30 because he can run more boost, my question is, for roll racing, i won’t be doing dig racing at all or if i do very minimal, is higher boost better? i’m on ds2 stock turbo
E30 higher boost is actually better. Buddy of mine with the M340i(Gen2) runs jb4 custom tune E30 mix and is pushing over 500hp with a lot of boost.
@@340istephen appreciate it bro, i thought so too but I wanted other opinions
@kern417
I've also been told by my tuner, that he prefers boost over timing. Reason is, that the B58 may handle lots of boost, due to closed deck construction, but not that much timing (not more than 16 degrees) due to the high compression. As a result in case of too much timing, he saw a couple of web breakings at pistons. Whereas the rods of the B58 seem to be extremely endurable.
@@gwspom this
16° is a lot of timing. Pump gas maps run less than 10. But once you get to 15°-16° then more boost makes a bigger improvement than more timing. The b58 Hits maximum efficiency around there.
For MHD E40, how’s the mpg? Does it suffer?
If you're pushing it yes. When doing normal driving I don't notice much of a difference. Maybe 1-2mpg
7-12 mpg when pushing lmao
my man what do we do with our 6MT and MHD flex fuel :/
Use another kit
@@kern417 do you have one in use by yourself or planning to do so? I figured zeitronix would be the way to go?
@@chap5220 I use reflex. I recommend it to most people because you know it will support any future mods you want to add as well.
I try 100-200km/h on Bm3 st2+ with tu only on gas 93(98-100 in Russia) and it be 9.3-9.4s
On e10 I runs 8.80-9s
Many saying what mhd a little slower like bm3 or mgf
Is it really true?
My mhd custom slower than my buddies bm3 both gen 2 DAW/Pure800
No it is not true
how u running 8s on e10💀
@@sergiobetanzos1514 It's only single run temperature 13°, slope -0.10
Distance 385,49 meters time 8.80
It's the best run
All results uploaded to dragy
what you gonna say to rk tunes spinning a bearing in his m240?still convinced there are no oiling issues on b58 when tracked?
Lmao welcome back. I know you just saw a a video and think you got something, but I've been talking to him since it happened back in May.
I know why it spun. Do you? 😊
I've tracked my B58. Have you? 😊
The fastest B58s around a track are stock motor pushing 600+whp. But go awf 😅
oh pls do share we all want to know why papadakis had issues and now rk @@kern417
Your mind is going to be blown when you find out all he did was drop another stock motor in 😂😂😂
@@kern417 thats what i would do,what else can he do about engineering design thats not made for tracking besides buy a real m car? but you still havent answered why it spun a bearing pls share
@@durin23 you can do what every other car does? Do you know what an oil accumulator is? Or a dry sump? Ever been curious about that silver or blue bottle in all the FD cars? It's not just nitrous 😏
It spun because it was defective. The rest of the engine and all other bearings were perfect 😉 Thankfully it's not like those M engines that have accelerated bearing wear even without tracking 😂
Thanks for making this video, do You have WhatsApp need a little help