06-29-2019, 03:23 PM | #1 |
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JB4 and BEF
I've been reading a lot about the JB4 with BEF and was hoping someone that is running it could give me some reviews.
BMS showed my a dyno sheet with 461 whp and that's without WMI. Is it easy to flash and change maps? How many maps are there? Are the OTS maps good or do they need tweaking? Likes and dislikes?
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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06-29-2019, 05:26 PM | #3 |
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Yeah, I've got the JB4 in the cart but haven't pulled the trigger. Wish I didn't sell my last one!
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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06-29-2019, 05:35 PM | #5 |
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I'll have to experiment. Ardno from BMS said it was compatible, but Terry from BMS wasn't sure.
I probably will get their BEF though.
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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07-01-2019, 01:38 PM | #6 |
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Just did the JB4 + MHD BEF yesterday. Power feels a lot smoother and better to drive all around. I won't be able to drag my car or dyno or anything for a bit because of 4th of July stuff, but I do plan on at least dynoing the car. Running just 93/10 pump gas, no meth.
Took about 30 minutes for initial stage0 flash and another 2 minutes for the map flash provided by BMS. I just followed these instructions https://www.n54tech.com/forums/showthread.php?t=57432 Then you just have to update JB4 firmware and enable Future Use D bit 6 which is now called options in the JB4 interface. Last edited by baldeagleman; 07-01-2019 at 01:48 PM.. |
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07-01-2019, 01:42 PM | #7 | |
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Are the maps labeled with what it does? Like DP, CAI, 93 octane, etc?
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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07-01-2019, 01:49 PM | #8 |
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I just emailed Terry from BMS with my setup and he told me which map to use.
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07-01-2019, 01:54 PM | #9 | |
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2017 BMW M240i xDrive - Mission Performance Stage 2 and transmission flash, CSF Intercooler, VRSF 4.5" downpipe, Dinan midpipe, BMW M Performance muffler, Agency Power Cold Air Intake. 11.58 @ 116MPH
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