B58 Log Review Thread

IMS-340C · 04-14-2022, 05:15 AM

25L of E85 on a full tank is E38.6 mix.

Also why are you mixing with 94 ? you should be mixing with 98.

Quote:

Originally Posted by LanceM26

That is weird because I put almost 25 L of E85 in the car at almost empty and filled the rest with 94 octane 0 ethanol.

LanceM26 · 04-14-2022, 05:18 AM

Quote:

Originally Posted by IMS-340C

25L of E85 on a full tank is E38.6 mix.

Also why are you mixing with 94 ? you should be mixing with 98.

94 octane is 98.5 ron. We measure by Octane in Canada

IMS-340C · 04-14-2022, 05:23 AM

You are at E38.6 which explains the corrections.

Quote:

Originally Posted by LanceM26

94 octane is 98.5 ron. We measure by Octane in Canada

LanceM26 · 04-14-2022, 05:23 AM

Quote:

Originally Posted by LanceM26

94 octane is 98.5 ron. We measure by Octane in Canada

Quote:

Originally Posted by IMS-340C

25L of E85 on a full tank is E38.6 mix.

Also why are you mixing with 94 ? you should be mixing with 98.

And to add, my tank size is 52 L as I am an M240i

LanceM26 · 04-14-2022, 05:24 AM

Quote:

Originally Posted by IMS-340C

You are at E38.6 which explains the corrections.

I have a 52L tank size. Wouldn't 25 L of E85 be e48 mix?

IMS-340C · 04-14-2022, 05:32 AM

Ok, as I said best solution is to increase the E% but your HPFP might crash.

So you will try the highest tune below HPFP E40.

Which is HPFP 95 OCT tune.

Quote:

Originally Posted by LanceM26

And to add, my tank size is 52 L as I am an M240i

IMS-340C · 04-14-2022, 09:22 AM

Yes it makes sense.

Check this: https://f30.bimmerpost.com/forums/sh...76&postcount=7

Quote:

Originally Posted by markoz28

Im currently running BM3 stage 1 91 octane tune recommended by PTF because my octane was not good enough for stage 1 93. Ive read that adding some E to the gas tune will help clean up the timing? Is this true?

I'd like to add 2 gallons of E to 93 octane and hope that works so I can go to stage 2 93 or even stage 2+. I have MAD catless DP and ordered a TU pump. I dont want to go E30 tune as the station is too far. I can fill up 2 5 gallon jugs to bring home. This would give me 5 fill ups. Does this make sense?

LanceM26 · 04-14-2022, 05:27 PM

Quote:

Originally Posted by IMS-340C

Ok, as I said best solution is to increase the E% but your HPFP might crash.

So you will try the highest tune below HPFP E40.

Which is HPFP 95 OCT tune.

Quote:

Originally Posted by LanceM26

And to add, my tank size is 52 L as I am an M240i

I tried stage 2 e30 map

https://datazap.me/u/lam240i/e30-usi...#38;zoom=0-231

WrxToBeamerGuy · 04-14-2022, 05:34 PM

Quote:

Originally Posted by LanceM26

I tried stage 2 e30 map

https://datazap.me/u/lam240i/e30-usi...-40&zoom=0-231

Yeah its perfect now lol.

LanceM26 · 04-14-2022, 05:44 PM

Quote:

Originally Posted by WrxToBeamerGuy

Quote:

Originally Posted by LanceM26

I tried stage 2 e30 map

https://datazap.me/u/lam240i/e30-usi...#38;zoom=0-231

Yeah its perfect now lol.

And here's stage 2 HPFP 95. Am I not adding enough E? It was also about 10 C hotter today than when I tested e40 map.

https://datazap.me/u/lam240i/95-octa...&data=3-21

WrxToBeamerGuy · 04-14-2022, 05:48 PM

Quote:

Originally Posted by LanceM26

And here's stage 2 HPFP 95. Am I not adding enough E? It was also about 10 C hotter today than when I tested e40 map.

https://datazap.me/u/lam240i/95-octa...og=0&data=3-21

That log is really good too just looking at the timing. I'm not sure what you're asking about needing to add more e.

LanceM26 · 04-14-2022, 05:49 PM

Quote:

Originally Posted by WrxToBeamerGuy

Quote:

Originally Posted by LanceM26

And here's stage 2 HPFP 95. Am I not adding enough E? It was also about 10 C hotter today than when I tested e40 map.

https://datazap.me/u/lam240i/95-octa...&data=3-21

That log is really good too just looking at the timing. I'm not sure what you're asking about needing to add more e.

Sorry. To clarify…. I put 25 L in my 52 L tank to get just about e40. I get timing corrections on e40 MHD map but 95 OCT is fine.

Jnat · 04-14-2022, 06:33 PM

Quote:

Originally Posted by LanceM26

Sorry. To clarify…. I put 25 L in my 52 L tank to get just about e40. I get timing corrections on e40 MHD map but 95 OCT is fine.

That's so interesting to me because i'm seeing the exact opposite, E40 relatively clean and 95 a basic mess.

WrxToBeamerGuy · 04-14-2022, 07:13 PM

Quote:

Originally Posted by LanceM26

Sorry. To clarify…. I put 25 L in my 52 L tank to get just about e40. I get timing corrections on e40 MHD map but 95 OCT is fine.

Well if you're not measuring E content then you wont know what the actual E content you're adding is. Use this calc.

If you mixed 93 pump with exactly 10 percent ethanol in it and you mixed exactly 85 percent e with it at those ratios you get barely over 95.3 octane. Which is why it was recommend you splash in a little more E.

I would measure the E content of any ethanol you add to make sure otherwise you could easily fall under 95 octane.

https://www.brewcity**********/ethanol-calculator/

LanceM26 · 04-14-2022, 07:23 PM

Quote:

Originally Posted by WrxToBeamerGuy

Quote:

Originally Posted by LanceM26

Sorry. To clarify…. I put 25 L in my 52 L tank to get just about e40. I get timing corrections on e40 MHD map but 95 OCT is fine.

Well if you're not measuring E content then you wont know what the actual E content you're adding is. Use this calc.

If you mixed 93 pump with exactly 10 percent ethanol in it and you mixed exactly 85 percent e with it at those ratios you get barely over 95.3 octane. Which is why it was recommend you splash in a little more E.

I would measure the E content of any ethanol you add to make sure otherwise you could easily fall under 95 octane.

https://www.brewcity**********/ethanol-calculator/

So I mixed E85 that was measured at 85 into my tank with 94 octane 0 ethanol. I even used that calculator.

WrxToBeamerGuy · 04-14-2022, 08:15 PM

Quote:

Originally Posted by LanceM26

So I mixed E85 that was measured at 85 into my tank with 94 octane 0 ethanol. I even used that calculator.

I'm not sure what the TU pump ethanol limit is but yeah I agree that it is strange that its doing that. Only thing I can think to try is adding more ethanol but first know the limit of the TU pump before you do that.

dinan5m3 · 04-14-2022, 11:19 PM

Quote:

Originally Posted by WrxToBeamerGuy

Use this calc.

https://www.brewcity**********/ethanol-calculator/

What is the (E85) Octane?

At the local Sheetz pump, doesn't say what the E85 octane is, should it?

dinan5m3 · 04-14-2022, 11:26 PM

Quote:

Originally Posted by IMS-340C

Both Stage 2 RON 102 and Stage 2 E30 have less Timing/boost.

But Stage 2 E30 should have more timing/boost than Stage 2 93oct tune, right?

IMS-340C · 04-15-2022, 01:08 AM

HPFP 95 OCT log look great and with it you can go down to E35 fuel mix ( or maybe less) to ease the pressure on the TU pump.

And you don't have the hassle of adjusting the E% to exactly E40.

Also 100-200 should be better now, curious to know what time you run.

If you still want to run the HPFP E40 tune you have to increase the E% above 40% but you risk crashing the TU pump, it's up to you.

p.s please add abm. temp in your log options.

Quote:

Originally Posted by LanceM26

And here's stage 2 HPFP 95. Am I not adding enough E? It was also about 10 C hotter today than when I tested e40 map.

https://datazap.me/u/lam240i/95-octa...og=0&data=3-21

IMS-340C · 04-15-2022, 01:21 AM

In theory yes but practically it depends how the tuner setup his tunes, some tuners prefer timing over boost others prefer boost over timing.

Quote:

Originally Posted by dinan5m3

But Stage 2 E30 should have more timing/boost than Stage 2 93oct tune, right?

LanceM26 · 04-15-2022, 06:58 AM

Quote:

Originally Posted by IMS-340C

HPFP 95 OCT log look great and with it you can go down to E35 fuel mix ( or maybe less) to ease the pressure on the TU pump.

And you don't have the hassle of adjusting the E% to exactly E40.

Also 100-200 should be better now, curious to know what time you run.

If you still want to run the HPFP E40 tune you have to increase the E% above 40% but you risk crashing the TU pump, it's up to you.

p.s please add abm. temp in your log options.

Got it. I will add amb. temp. Are there any other log options I should check off?

And I will try to lessen my E to about e35 and keep going down from there. 100-200 will probably be posted by Monday, maybe even sooner.

IMS-340C · 04-15-2022, 07:08 AM

No those are enough.

Please log after trying HPFP 95 map on E35 mix.

How did you find the acceleration with the HPFP 95 map ?

Quote:

Originally Posted by LanceM26

Got it. I will add amb. temp. Are there any other log options I should check off?

And I will try to lessen my E to about e35 and keep going down from there. 100-200 will probably be posted by Monday, maybe even sooner.