02-10-2021, 09:25 AM | #3 |
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Contact Alex Roy at Performance Eurowerks | PETuned.
They recently installed and properly dialed-in these EU5 injectors on 2 cars, both with Pure Stage 2+ turbos. IIRC both cars went north of 700+whp with plenty more to go. Some combo of full e85 and meth I believe. More impressive to me, one did around 62x whp on winter mix 93 octane and moderate boost 😳 Both stock engines too. With that fueling setup, Alex thinks that he can easily go closer to 800whp but the stock rods won't last. Tuners are easily pushing these turbos to 750wtq but the car will not last long. Alex indicated to me that he rather they enjoy this stage, then build motor when ready.
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02-11-2021, 08:02 AM | #6 | ||
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Copied over from my answer to these questions in a different post:
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02-11-2021, 08:14 AM | #7 |
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@MJ6 beat me to it. Read here from Kratos: https://www.bimmerpost.com/forums/sh...php?p=27143905
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02-11-2021, 09:21 AM | #8 | |||
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02-11-2021, 10:49 AM | #9 |
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I asked him about the possibility, but he let me know that they only have the ability to do tuning requests and not coding unfortunately.
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02-11-2021, 10:55 AM | #10 |
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Gotcha, why do EU5 injectors need to be both calibrated and coded?
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02-11-2021, 03:44 PM | #12 | |
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According to Halim and the guys at Kratos, we was wrong.
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02-13-2021, 08:45 AM | #14 | ||
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02-13-2021, 01:00 PM | #16 | |
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And your PM box is full by the way man 👍🏻
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02-13-2021, 01:02 PM | #17 |
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Thanks, cleared!
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02-14-2021, 06:20 AM | #18 |
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So are we saying that in order to run full E85 on upgraded turbos on stock HPFP and stock LPFP, that all we need to do is fit and calibrate the f10 m5 EU5 injectors?
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02-14-2021, 09:28 AM | #19 | |
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Stock S55 with EU5s can support 700-750WHP but then the stock HPFP will run at limit and stick EU5s (see Scenario 1). S55 with upgraded HPFPs and EU5s support same WHP without running upgraded HPFPs at limit, so low risk of sticking EU5s (see Scenario 2). Just ISTA calibrating for EU5s, resetting adaptations (BM3 or ISTA), and resetting small fuel mixture (ISTA) will not work by themselves. I've confirmed with Kratos that any use of EU5s in the S55 would require a tune plus the 3 items above. https://www.bimmerpost.com/forums/sh...php?p=27139866
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02-14-2021, 09:36 AM | #20 |
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All very helpful, thank you to those contributing! I’m pretty much done with the bolt on E85 tune so if I get the dreaded stuck injector I’ll get the f10 eu5’s and retune. Little money to spend to not be maxing stuff out with roughly 600 rwhp. In the meantime, I’ll just continue to let it eat as is.
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02-14-2021, 11:18 AM | #21 |
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Btw you can run all stock fueling and upgraded turbos on e85 just it won't net as much gains compared to just pump gas cause you run out of fueling
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02-14-2021, 12:16 PM | #22 | |
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For the record, the F10 EU5 injectors flow 903 g/min, and the OEM S55 EU6 injectors flow 821 g/min. That's from a Bosch fuel system engineer.
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