01-12-2022, 11:30 AM | #287 | |
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is this a single map or multimap? how is the part throttle stuff? if I run the current multimap qith my setup it will have all kinds of throttle boost issues and I'll get a check engine light and map code and all kinds of bad harsh issues. single map I'm fine.
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2017 m240i xDrive 10.99@122.86mph bootmod3 stage 2+ ots
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01-12-2022, 11:37 AM | #288 | |
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No part throttle issues. The map runs super smooth and strong! One clarifying point I'll make for the Dorch Stg 1 users is even with Chris's updates it's still not strong enough to handle an abrupt kickdown at this power level with E50 and ambient temps <40F--I'll still get HPFP drop-outs. So, I'm just going to stick to the single gear pulls to help with map development, and then will personally decide if I'll just run Stg 2+ E30 in colder weather to not have HPFP kickdown drop-outs, or get a Stg 2 HPFP and run the Stg 2+ E50 map and E50 all year round and just cringe when it takes my car 5-10sec to crank over on a cold winter start. |
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01-12-2022, 12:02 PM | #289 | ||
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2017 m240i xDrive 10.99@122.86mph bootmod3 stage 2+ ots
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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01-12-2022, 12:12 PM | #290 | |
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Halim tends to be slightly conservative since he knows not everyone is running an ethanol sensor and might accidently mix lower to say E45, so I'm guessing E45 and up will be fine. Once/if this gets integrated into the Multimap, it'll be interesting to see the differences with the current Multimap since it does not change boost target and I do not see any way to push 93 octane to 23psi even with lower timing. Maybe both live boost & timing adjustments in a Multimap based on fuel is coming in CustomROM v2? IDK. Last edited by ZM2; 01-12-2022 at 12:38 PM.. |
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01-12-2022, 12:19 PM | #291 | |
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01-12-2022, 12:20 PM | #292 | ||
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01-12-2022, 12:21 PM | #293 | ||
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2017 m240i xDrive 10.99@122.86mph bootmod3 stage 2+ ots
2015 335i xDrive 10.95@124.99mph w/bm3 - SOLD 2015 X3 x35i pwg 12.96 catless w/bm3 stage 2 93 ots IG: @n55david For pics and updates! Youtube: @ n55david For videos or Racing etc |
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01-18-2022, 09:44 AM | #295 | |
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Hold on, I thought you said in the Stage 2+ E30 thread that the 2+ multimap does scale down to pump when the sensor detects less ethanol?? Is this not the case? EDIT: I am now seeing that I am not only participating in both f87 and f30 flexfuel threads, but that m2 n55 stg2+ multimap has both 93 and the e30/r100 slots. So they scale to the lowest option on the map but not below that.
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Next step: M2 Competition or Manual Supra MKV build Summer 2022 Last edited by rtl32; 01-18-2022 at 09:51 AM.. |
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01-18-2022, 09:50 AM | #296 |
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It scales down the timing. The boost is constant.
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01-18-2022, 09:59 AM | #297 |
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But what about fueling? Fuel tables for e30 are not appropriate for pump and vice versa. Timing already adjusts itself in a way- if I run 93 on a e30 map and it adjusts timing to not knock, great but if I'm still super rich/lean at full trim levels that's still not safe.
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01-18-2022, 10:13 AM | #298 | |
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As for the Stg 2+ E50 beta map hitting 23psi, I don't see how that could be fully incorporated into a Stg 2H+++, Stg 3 (or whatever you want to call it, Phantom10R has some ideas ) Multimap, as I don't see how you could run that high of psi with just 93, even with reduced timing. But, I'm not the master tuner, so IDK. I just got V5 of the Stg 2+ E50 beta this morning, so will send logs to Halim later today. From there, I'll see if he wants to recruit others to test this map, and then we'll see how Stg 2+ E50 OTS like boost & timing gets integrated into a new Multimap now, or if it needs to wait until CustomROM v2. Everyone get all that? Simple, right? Hah! |
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01-18-2022, 10:17 AM | #299 | ||
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this map needs to require hpfp, lpfp, turbo, map sensor and allow you to run e30 to e50 under the multimap name of stage 3 multimap
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01-18-2022, 10:27 AM | #300 | |
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I've built my own pump gas/E85 multi-map tune with my stock turbo and fuel system for now. It does indeed increase boost if you design it that way, but reality is the stock fueling and turbo can be pretty close to max on 93, so not much room to bump boost up with an E mix with stock HPFP. I would think the OTS multi-map was built around stock hardware limitations. So you're biggest gains are just in timing bumps. But I'll easily be able to turn it up a bit more once I get an HPFP upgrade.
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01-18-2022, 10:38 AM | #301 | |
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So what we are really hoping for is customrom V2 to allow not only timing and fueling but also boost changes in the flexfuel integration. That would be amazing!! Seems the multimaps all have their own boost level. Previously the multimap suggestions said deal with it, these are the fuels you can use at each stage because these are the boost levels we've tuned in. Now that they are pushing boundaries even further into E50 with more boost, like you said, they might be prompted to start bunching the maps together in a more useable way! The current f2/3x flexfuel right now is basically neutered because of the software choices. Great I can see the percentage on my dash. But I still can't fill 93 or emixes flexibly on the spicy OTS 2+ tune that I am so used to. Obviously the tune will be more bland on 93, but the stage 2 tune that I need for 93 is even more bland on E30 considering what it is capable of! I for one (and know the community) would love a simple, 2+ multimap that runs pump to E50 at each of their respective OTS limits. No Stage 2 compromise so that I can use 93, or stage 2+ high fueling standards that require an emix at baseline and leave me stuck between E30 and E45 on stage1 pump. An actual flexfuel setup at the full OTS potential. And none is this is meant to slander PTF- let me note that flexfuel is SO new on this platform I am impressed that it is even at this level already. This is groundbreaking stuff. Each time I say I'm gonna go custom PTF releases something new, and I love it. Now that I'm done with hardware on this build the software progression is what is keeping me reeled in!
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01-18-2022, 12:13 PM | #302 |
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Halim is very happy with the Stg 2+ E50 V5 beta! He wants to see how logs look on a stock turbo car. Who wants to give it a shot?!
Just to be clear for anyone that wants to try, just make sure you already have solid Stg 2+ E30 logs and a 3.5-bar TMAP installed since we're upping the boost! Lastly, if you have a Stage 1 HPFP, let me know if you have any HPFP drop outs. Between Chris Dorch's HPFP and Halim's tune updates, I no longer have any HPFP drop outs! I'm dipping to 1900psi under load and recovering back to 2800psi, but no drop outs during logs or kickdowns! Last edited by ZM2; 01-18-2022 at 01:50 PM.. |
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01-18-2022, 01:03 PM | #304 |
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Cool, I'll shoot you a PM.
Just to be clear for anyone that wants to try, just make sure you already have solid Stg 2+ E30 logs and a 3.5-bar TMAP installed since we're upping the boost! johnung Your PM's are full! Last edited by ZM2; 01-18-2022 at 01:17 PM.. |
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02-10-2022, 03:58 PM | #307 |
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Hey guys, here's the update on what we're calling the N55 Stg 3 E50 beta map: https://f87.bimmerpost.com/forums/sh...&postcount=439
Shout out to johnung for driving down to watch the dyno pulls and grabbing lunch together! |
02-10-2022, 05:27 PM | #308 | |
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