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      04-21-2020, 05:05 PM   #45
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Yeah this is not that hard.

My approach was always to run the tank down to about 2 gallons left and then always put in 13 gallons of the correct % mix.

You don't need to worry about calculating what % of ethanol is in the tank, just make sure whatever quantity you're adding is slightly less than available capacity and it's the right percentage.

If this is too complicated for you, you should rethink tackling these kinds of mods. Sorry not sorry...
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      04-22-2020, 01:30 AM   #46
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BM3 released an update. When to wait for MHD stage 2 + Supra pump and Dorch 1/2?
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      04-24-2020, 11:09 AM   #47
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Quote:
Originally Posted by weehe126 View Post
Quote:
Originally Posted by kern417 View Post
There will be some gains on 93, but not nearly as much. The turbo taps out before you become octane limited. But OTS maps are very boost conservative, so a high pressure fuel pump will allow more PSI.
Very interested in this statement. I've seen people get 19-21psi on the stock turbo on E blends. Have you seen a log where someone ran this much boost on 93, even with 0 timing? How does increased rail pressure, when you aren't already low on rail pressure, help allow more timing/boost on 93?
https://datazap.me/conradb58

You can check my V2 log all the way at the top I'm on 93 octane. If I read correctly I peak around 19 ish psi
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      04-25-2020, 08:30 AM   #48
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Quote:
Originally Posted by conradb58 View Post
https://datazap.me/conradb58

You can check my V2 log all the way at the top I'm on 93 octane. If I read correctly I peak around 19 ish psi
make it public
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      04-27-2020, 10:40 AM   #49
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Quote:
Originally Posted by OzBMR View Post
I think the OTS 93 octane maps are already maxed out, in fact already too much load targeted, resulting in excessive boost and poor timing. Targeting more torque/load/boost will not provide any notable benefit.

You can see the difference in the first dyno chart in the link I posted above comparing MHD Stage 2 95 octane to DervTech 93 octane, both using 93 fuel with E12.

By adding more boost you do get more torque low down in the 3000 - 4000 RPM range, but past 5500 RPM makes lower torque and power as timing is low.

On straight 93 the higher boost result would have been even lower and if I'd compared to the MHD Stage 2 93 octane map it may have performed even better as target load and timing is more conservative.

The version 1 B58 has relatively high compression ratio of 11.0:1 which makes it more sensitive to octane and increased charge temperatures as the higher static compression increases cylinder mix temperatures. This is why adding ethanol is so beneficial as it not only increases octane but also provides a charge cooling effect.

From my experience and testing a range of tunes and fuels the stock HPFP can maintain target rail pressure on straight 93 at 20 - 22 PSI through to 6000 RPM, but you will make less power due to poor timing.

Slightly off topic but..I have a 440i and running a simple jb+ boost controller and that's it, no other mods...I've ran sunoco 260GT race fuel 100 octane unleaded straight before..With this in the tank and jb+ set to default (4 psi over stock) I have seen as high as 18.9psi via odb2 port reading..I know that reading isn't accurate due to jb+ but Its never read that high before with just 93 octane in the tank... Plus the actual boost is even higher anyway right? In your opinion is this a safe boost range on 100 octane?
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      04-29-2020, 06:10 PM   #50
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Well I was one of the lucky ones to get a used supra hpfp, so just need the bms adapter to come in and for this updated tune to drop. Excited to get some logs.
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      04-29-2020, 07:01 PM   #51
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Quote:
Originally Posted by weehe126 View Post
Well I was one of the lucky ones to get a used supra hpfp, so just need the bms adapter to come in and for this updated tune to drop. Excited to get some logs.
It's dropped...
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      04-29-2020, 07:08 PM   #52
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Originally Posted by InstigatorX View Post
It's dropped...
Thanks, for some reason my app didn't update automatically. Now just need the adapter lol.
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      04-29-2020, 07:14 PM   #53
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Todays update brings many new things to the B58 GEN1 platform.
We added our new ST2+HPFP maps, these maps require a upgraded fuel pump, you can either use the stock B58TU1 pump (Supra, Z4M40J,
M340i...) - BMW OEM part number 13518631642 or a Dorch / XDIHPFP.
The power gain across the complete power band is pretty impressive and the performance numbers are simply incredible. At the moment we offer
95/102 and E30 variants, 91/95 and 93/98 variants are in beta testing. The В58 is a high compression engine, low quality fuel and high boost can cause issues and we always want to offer
100% safe and reliable maps, the ST2 maps already nearly maxes out those fuels, thats why we need some more time on testing the low quality fuels at high boost ST2+HPFP maps and then decide if results are aood enouah for a maps already nearly maxes out those fuels, thats why we need some more time on testing the low quality fuels at high boost ST2+HPFP maps and then decide if results are good enough for a release.
We also updated all our B58 GEN1 maps to V3.1 with big improvements to the low end and overall drivability.
The top speed limiter is now fully deactivated on all B58 cars (294KPH before) and we applied some changes to the cooling options.
Performance results on B58 GEN1
ST2+HPFP ЕЗО тар from one of our beta testers (M140I XDrive SAT):
1/4 Mile 10.72s @ 128MPH (B58 GEN1 stock turbo world record!)
100-200 KPH in 6.9s
0-100 KPHin3.Gs
0-60 MPH in 2.87s
Dynojet:522HP/743NM
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      04-30-2020, 12:47 AM   #54
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I updated the map Mhd 2+. First impressions are: The engine has a powerful mid 3500/5500 rpm with a boost of 1.45 kg at the peak on a 30/40% throttle. This mode is very suitable for the track, where there are many twisty turns. On the move, an increase of 100/200 km / h was 0.3 s. The remaining observations and measurements will be done later.
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      04-30-2020, 02:49 AM   #55
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Quote:
Originally Posted by Glemm1970 View Post
I updated the map Mhd 2+. First impressions are: The engine has a powerful mid 3500/5500 rpm with a boost of 1.45 kg at the peak on a 30/40% throttle. This mode is very suitable for the track, where there are many twisty turns. On the move, an increase of 100/200 km / h was 0.3 s. The remaining observations and measurements will be done later.
Are you saying your 100 - 200 before was 7.7 seconds with MHD v 3.0 Stage 2 95_102+ JB4 Map 6, Meth at 21.5 PSI and now with Ver 3.1 is 7.4 seconds?

Good improvement.
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      04-30-2020, 03:37 AM   #56
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MHD stage 2 no Met 100/200 - 8,2s
MHD stage 2+ no Met 100/200 7,9s
98Ron
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      04-30-2020, 07:44 AM   #57
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Quote:
Originally Posted by Glemm1970 View Post
MHD stage 2 no Met 100/200 - 8,2s
MHD stage 2+ no Met 100/200 7,9s
98Ron
Thanks

MHD Stage 2+ is 95 octane (102 RON) or E30 only

This one tested is Stage 2+ 95 octane and you use 98RON with MMA to boost octane to 95 (102RON)?

7,9s 100-200 would be about 430WHP - 440 WHP for M140iX, so maybe 10 WHP up from V3.0
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      04-30-2020, 08:09 AM   #58
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We do not have an E30. Only 98 Ron. You have to add MMA so that it becomes 102RON. This version 3.1 gave the motor a very urgent middle, just to fit in these revolutions when passing the suburban highway at speeds of 80 / 160km / h. Tomorrow I’ll try to turn on the methanol JB4 map 6. I’ll measure it and write what happened.
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      05-02-2020, 10:50 AM   #59
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Finally I did all the measurements. So in order. JB4 is completely off, the connectors are removed from the sensors on the engine. There is no methanol. 1. MHD stage 2 98 Ron: 100/200 - 8,2s. 1/4 miles - 11.56. 2 MHD stage 2+ HPFP: 100/200 - 7,9s. 1/4 miles - 11.38. 3. MHD stage 2 + HPFP E30 (begged from drifters) is the best option for racing and active driving! 100/200 - 7,6s. 1/4 miles - 11.19s. All measurements were on the same stretch of road, with the same weather and air temperature (+12/14 C). Conclusion: With this setting, JB4 with methanol is no longer needed. The car and so it goes perfectly in the entire speed range. Of course, individual tuning can still improve the result, but I plan to install VTC GS and even then I will order a Map for my car.
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      05-02-2020, 12:47 PM   #60
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^^
That's why I sold my JB4. Great product and company and I commend Terry for all he's done for our community over the past 13 years, but we have evolved.
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      05-02-2020, 05:12 PM   #61
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Quote:
Originally Posted by Glemm1970 View Post
We do not have an E30. Only 98 Ron. You have to add MMA so that it becomes 102RON. This version 3.1 gave the motor a very urgent middle, just to fit in these revolutions when passing the suburban highway at speeds of 80 / 160km / h. Tomorrow I'll try to turn on the methanol JB4 map 6. I'll measure it and write what happened.
What is MMA? How you use 102map on 98Ron without timing correction? i tried octane booster but didn't help
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      05-02-2020, 05:25 PM   #62
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Quote:
Originally Posted by Glemm1970 View Post
Finally I did all the measurements. So in order. JB4 is completely off, the connectors are removed from the sensors on the engine. There is no methanol. 1. MHD stage 2 98 Ron: 100/200 - 8,2s. 1/4 miles - 11.56. 2 MHD stage 2+ HPFP: 100/200 - 7,9s. 1/4 miles - 11.38. 3. MHD stage 2 + HPFP E30 (begged from drifters) is the best option for racing and active driving! 100/200 - 7,6s. 1/4 miles - 11.19s. All measurements were on the same stretch of road, with the same weather and air temperature (+12/14 C). Conclusion: With this setting, JB4 with methanol is no longer needed. The car and so it goes perfectly in the entire speed range. Of course, individual tuning can still improve the result, but I plan to install VTC GS and even then I will order a Map for my car.
Thanks for testing and posting results.

The Stage 2+ HPFP at 7,6 is far away from the 6,9 the beta tester got. Any thoughts?

Can you please post MHD data log of the Stage 2+ E30 at Datazapme in data log thread?
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      05-02-2020, 05:36 PM   #63
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I think 6.9s is hardly achievable without the E50 and individual settings. A mass product from any adjuster is made with a margin of fuel and reliability. I am satisfied with 7.6s)) especially since it is almost free. I wrote logs. I’ll show you how to deal with this magazine site.
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      05-02-2020, 05:38 PM   #64
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Переведите с русского эту ссылку
https://oduvanchik-him.ru/prisadki-d...-n-metilanilin
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      05-02-2020, 05:59 PM   #65
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Here is the link to view the magazine.
https://datazap.me/sites/default/fil...oct_102ron.csv
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      05-02-2020, 06:53 PM   #66
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correct me if I'm wrong. But your log says MHD v1.47. The stage2+HPFP maps were released with v1.48 so is this actually a stage 2+ map or just the older stage 2 102ron map?
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