10-15-2019, 11:17 AM | #45 | |
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I have E85 right around the corner from my house and even with the ~30% loss in fuel economy, it would be economical in the sense that it is >30% less expensive than pump 91. Not that i am super concerned about that, but if it is better performance as well it could be a win win. |
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05-30-2020, 03:34 PM | #46 |
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was there any updates to this post? sorry for resurrecting so late.. but whats the news with the stage 1 and stage 2 full e85 mhd tunes? Im gonna start with stage 1 and see how the logs look. How did you guys get modified stage 2 maps? im worried about crashing my hpfp on stage 2.. thanks!
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05-30-2020, 03:45 PM | #47 | |
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06-01-2020, 11:20 AM | #48 |
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stg1 works perfectly, I'm using it since more than one year, no hpfp problems.
I had some hpfp drops in stg2 sometimes, but some guys not, so consider doing some logs if you try it. Full E85 map is more used in EU (like in France). |
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06-01-2020, 11:26 AM | #49 |
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Do you have a log? Very interested to see timing, boost and AFRs on the full E85 map.
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06-03-2020, 11:13 AM | #50 | |
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https://datazap.me/u/adrien/v12?log=0&data=4-21 They have been done 1 year ago during E85 map dev so they have maybe done some modifications since. |
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06-03-2020, 11:31 AM | #51 | |
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I have E85 right by me and i am very tempted to try stage 2 E85 just to see the results compared to stage 2+ E20. I just dont want to sit around with a tank full of E85 because i am driving the car very little right now. |
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06-03-2020, 10:18 PM | #52 |
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i have full e85 (e80 tested) in my car right now, on bm3.. fyi
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06-03-2020, 10:42 PM | #53 |
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I thought I read those e85 maps were more for economy rather than performance, how does it feel compared to the bm3 stage 2 or e-mix maps?
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06-03-2020, 11:27 PM | #54 |
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06-04-2020, 02:00 AM | #55 |
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im just messing with you guys. working on a custom tune
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06-04-2020, 05:19 AM | #56 | |
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06-04-2020, 10:58 AM | #57 | |
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And E85 is also significantly cheaper than gas here in CA (and other places). E85 is like $1.89 per gallon whereas pump 91 is usually in the high $3.xx per gallon. Not that the cost is why i am interested, just saying. Also i dont know how you can "tire your hpfp" when its a mechanical pump. |
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06-04-2020, 04:45 PM | #58 | ||
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09-22-2020, 03:23 PM | #59 |
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Ok so i am revising this thread in light of some new info and i felt it would be the most appropriate place.
FastF30 can you share any updates you get on that guy in IG running full E85 in this thread? For context, he was on FX-150 with stock LPFP, stock turbo. Some other links: https://f30.bimmerpost.com/forums/sh...8#post25498858 https://f30.bimmerpost.com/forums/sh...4#post25500844 https://f30.bimmerpost.com/forums/sh...3#post25622783 https://f30.bimmerpost.com/forums/sh...8#post25624588 https://f30.bimmerpost.com/forums/sh...9#post25820399 https://f30.bimmerpost.com/forums/sh...8#post25818538 https://f30.bimmerpost.com/forums/sh...7#post25816037 https://f30.bimmerpost.com/forums/sh...&postcount=620 These links are a discussion in the HPFP thread, specifically posts from JerryBMW about running full E85, also on the spool FX150 HPFP, stock LPFP, stock turbo. The last link has a log for full e85 tune. In both cases, these are custom tunes from pureboost. I am curious to here more from Phantom10R to see where his tune is at. Are you still having issues with stock LPFP on full E85? |
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09-22-2020, 03:52 PM | #60 | |
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09-22-2020, 08:33 PM | #62 | |
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09-22-2020, 08:36 PM | #63 |
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e70 to e72 is the max I can get with 20psi target. problem is at 6k boost drops because stock turbo sucks.
if I backed the boost off I could likely run more timing.. I dunno..
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09-22-2020, 10:48 PM | #64 |
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You have a log? His full E85 map that ran 20-16 psi was running up to 18 degrees of timing i think.
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09-23-2020, 05:17 AM | #65 | |
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09-23-2020, 11:44 AM | #66 |
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