08-30-2019, 07:18 PM | #1 |
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2020 X3 M40i Tune
The 2020 X3 M40i has the new engine which produces 382 hrspwrs
What tunes are available or would be recommended to be tried and trusted, and which brands/tunes should M40i owners stay away from? I have seen a lot a different talk on separate threads but nothing consolidated. There are off the shelf tunes, plug and play options, or is a best option for dyno tune. And this is for someone who would rather keep their M40i "stockish" maybe an intake and an exhaust. Were not talking about a full build E85, forged everything SAV. Thanks! |
08-30-2019, 08:15 PM | #2 |
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Test drove 2020 M550i with the new engine, 523HP, and it drove just the same if not worse (more turbo lag) than 2018 M550i with 456HP. I wouldn't immediately believe that 2020 engine is going to be a stronger/better performer in M40i application until you see some hard data.
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08-30-2019, 11:04 PM | #3 |
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Sure. Agreed. Whatever the actual performance is. Any tune will still increase performance. And thats what we all want to find out and share input on.
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11-16-2019, 12:58 AM | #7 | |
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11-17-2019, 08:36 PM | #8 | |
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I dont know about price difference, reliability, or actual gains compared between the two. Still looking into this.
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11-17-2019, 09:17 PM | #9 | |
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I just needed a cable and laptop. Once I connected the tune loads in around 30 seconds and then I’m done, whole process around 5 minutes for the very first flash and about 1 minute for updating flashes.
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11-18-2019, 01:34 AM | #10 |
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BM3 says they are on the way with their B58TU tune in the 2020 X3 M40i. Considering they have one for the Supra and probably the M340i now they should be close to being complete considering they're essentially the same engine.
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11-18-2019, 05:42 AM | #11 |
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Unless there's some major change between the f25 and the g01 chassis for mhd coding, I can't believe any tune loads in 30 seconds. Can someone confirm G01 flashes are that much faster?
I know for a fact the mhd coding on the f25 chassis is 40 + minutes for the initial flash, and about four minutes for subtle changes to the flash. It took close to 40 minutes to revert back to stock flash. |
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11-19-2019, 07:00 PM | #13 | |
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11-19-2019, 07:27 PM | #14 | ||
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11-19-2019, 09:05 PM | #15 | |
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11-19-2019, 09:07 PM | #16 | ||
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11-21-2019, 08:59 PM | #18 |
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11-23-2019, 09:54 AM | #19 |
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2020 M40i
Hello People. First time BMW owner but not new to the tuning scene. Am I correct to assume that any tune that states "2017-Present" doesn't really mean that since the 2020 M40i is a new engine?
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11-23-2019, 10:15 AM | #20 | |
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Late 2019 / MY2020 for Europe seems to be back to 360bhp but USA and rest of world is at 382hp ! Go figure ... |
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11-23-2019, 10:44 AM | #21 |
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Correct. I am still waiting. -___-
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11-23-2019, 11:21 AM | #22 | |
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