07-09-2020, 12:30 PM | #24 | |
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07-09-2020, 12:58 PM | #26 |
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Nice!
What tuning platform are you guys using? Also, with full E85, is the stock fuel system sufficient?
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Time to participate in the douchey signature blocks Current: 2023 BMW M4 CSL, 2021 Ferrari F8 Tributo, 2020 Toyota GR Supra Notable Past: 2017 BMW M3 30 Jahre, 2019 Porsche GT3 RS, 2018 Porsche GT3, 2015 Porsche GT3, 2012 Nissan GT-R Black Edition Alpha 6+, 2008 BMW M5 Dinan, 2006 BMW M3, 2014 Mercedes CLA45 AMG |
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07-09-2020, 01:36 PM | #29 | ||
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BMW has been using same style injectors between Brazil (full E85 Flex vehicles) and USA spec F30s and those injectors were designed to run both fuels. Same concept carries over to B58 and S58, only B58 has single HPFP and not enough fuel flow to give safe power on full E85. |
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07-09-2020, 01:45 PM | #30 | |||
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07-09-2020, 02:19 PM | #31 | |
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07-09-2020, 02:27 PM | #32 |
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I am so happy to have hitched my wagon to the Mission Performance horse many times over the years. Alex's approach to responsible tuning while evoking safe max performance from BMW engines (and trannys) is something to be celebrated.
As I've said before there is a reason that Toyota global flew him out to work on the programming of their very own TRD Supra that was going to be on the world stage - with the pick of any tuner in the world they tapped Alex on the shoulder. Not taking anything away from any other tuner - I love the back and forth between them and the innovation that results - however Alex is simply a master of his craft ps- cool fact you can pick up the phone and call Alex or visit him in SoCal! disclaimer: Huge MP fan here :-) but for very good reason Last edited by chenry; 07-09-2020 at 02:57 PM.. Reason: switched "I" to "to" |
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07-09-2020, 09:32 PM | #33 |
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MP Stage 1+ E50 Log
For those who were asking for a log on the MP Stage 1+ tune...
Here you are -> https://datazap.me/u/gt500r/x3m-mp-s...14-15-16-17-18
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07-09-2020, 09:36 PM | #34 | |
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07-09-2020, 09:50 PM | #35 |
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I don’t have times yet as I just got the tune and wanted to make sure it was running well... and well it really is, very quick. Dragy times will be coming soon despite shit DA and summer weather 😂
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07-09-2020, 11:33 PM | #36 | |
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CURRENT: 2020 X3MC PAST: 2016 F85 X5M "Beast" Previous Forum ID: M3_e36CA |
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07-10-2020, 12:05 AM | #37 | |
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07-10-2020, 09:12 AM | #38 |
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07-11-2020, 09:06 AM | #39 |
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Thanks for the insight as to the boost control strategies in shifts.
I've been quite closely monitoring turbo lag with the S58 and found out for ourselves from real world dragy pulls and datalogs that the shifting isn't really holding it back. There is actually very little to gain in keeping high WG duty in shifts for this specific application. What's critical is really the off boost lag. Or to be more precise, the S58 is basically a very dead engine from off boost - dropping 3 gears to 5k rpm and it still takes a long pause to really take off. What it really needs is a little off boost "readiness" to be enabled by the corresponding wastegate strategy. However, it's easier said than done from a tuning perspective. From the look of it now, the S58 seems to just source the big power/potential from the two laggy big turbos.
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07-11-2020, 11:25 AM | #40 | |
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07-11-2020, 07:04 PM | #41 |
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From the earlier post it looks like the B58 tunes has much better low end torque and gives up just a little up top. For every day drivability, it seems like a no brainer
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07-11-2020, 07:11 PM | #42 |
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I’ve owned both. b58 is great as daily driver. s58 is more fun and visceral and it’s quick af.
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07-11-2020, 07:33 PM | #43 | |
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07-11-2020, 07:44 PM | #44 | |
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