12-06-2023, 11:23 AM | #1 |
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JB4 - DME-BT unstable
DME-BT seems to be unstable which is causes loss in boost in higher gears. I tried increasing the meth that I am pumping but it did
Anyone have an idea how I can stabilise it? I haven't played around with PID gain and fuel bias that much, not sure if any of that will be useful in this case. |
12-10-2023, 09:46 PM | #2 |
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Sending a log to BMS or their forums would be your best bet. I had a JB4 on my 330i around a year back and I could never get it to run right, no matter what I did. Best bet would be a proper flash tune
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12-13-2023, 04:12 AM | #3 | |
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Can't say I relate on jb4 not working though. I managed to push the platform pretty hard. On my current g42 m240i, I managed to run 11s dead on 1/4 mile on jb4 without a flash. So the platform has been a great temporary tool as I wait for a public unlock solution that does not involve me sending my ECU to Femto. |
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12-13-2023, 04:45 AM | #4 | |
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We both only had access to 91 octane and E85 so that may be why? I saw logs from people with 93 octane and they seemed to have better results
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