01-04-2018, 08:05 PM | #1 | |
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JB4 MHD Back End Flash (BEF) development underway!
Saw this posted on BMS' forum and thought you guys might enjoy following along. I'll update this thread as I get new news. Also, in another thread here I was asked about the JB4 WMI (water meth injection) implementation. It's the only available system that integrates WMI flow with engine tuning allowing a wide range of safety systems and control not possible with "dumb" (e.g. no CANbus engine connection) stand alone controllers. There will also be free MHD back end flash maps optimized for the JB4+WMI kit. All free of charge for JB4 owners, no need to pay custom tuning fees or buy expensive new hardware. You just pay the one time MHD flasher license. 2018 is going to great for the F series!
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01-07-2018, 07:29 AM | #4 |
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Subbed. I'm looking to drop JB4 for MHD but if I can just flash it via JB4 I'll keep it
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01-07-2018, 07:53 AM | #5 |
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whats up with that iphone? haha
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01-07-2018, 11:36 AM | #6 |
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MHD is not yet supported on iOS but apparently will be soon!
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01-07-2018, 02:05 PM | #7 |
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Do you suppose this means one will not need an org compatible android device whatsoever to use the mhd flasher and bimmergeeks cable to upload a back end flash tune? If so this is great news and will save me from having to buy some android device solely for the purpose of the flash
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01-08-2018, 08:46 AM | #8 |
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They're looking around for people to help test and evaluate the JB4 back end flash maps.
First you'll need to contact MHD to get in their F series test group. Then you'll use MHD to flash stage 0, take a backup of your factory BIN, then email that factory BIN backup to BMS along with details on the car like mods, fuel, tuning goals, and they'll send the most appropriate BEF. You DO NOT need to purchase any MHD map package or logging package since the JB4 does that for you. Mike |
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01-08-2018, 04:48 PM | #9 | |
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Why is this better than just using MHD to flash and then using their maps? Because BMS maps are free? Or are there other positives to staying with the JB4? I do not have an Android device, but do have a JB4, so this is why I am considering this route. But I have not installed my JB4 yet, so if I can save that headache of not having to run the wires, and get the same end result, I am considering just selling the JB4. But if the JB4 will allow me to use just my JB4 App on my iOS device, i would rather do that. |
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01-08-2018, 07:17 PM | #11 | ||
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All I wanna know, and have asked elsewhere with no answer, is what exactly will the back end flash provide to someone who already has a jb4? The common things I keep reading in these posts is how much a bef will improve a car with an upgraded turbo or for guys who run e85 but what about the rest of us? Will my jb4 pwg catless dp f30 n55 6mt (my god this bmw turbo tuning acronym stuff is insane) benefit from a backend flash and if so how? What can I expect? Smoother? More power? More torque? More exhaust burble?
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01-09-2018, 06:47 AM | #12 | ||
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01-10-2018, 06:25 AM | #14 | |
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01-10-2018, 07:31 AM | #15 |
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With just the flash would I be able to read and clear codes like I can with the JB4.
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01-10-2018, 11:37 AM | #17 |
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transmission after BEF flash will not work like crap like with jb4 only. As with jb4 only transmission thinks torque is stock and doing gearchanges like with stock torque. BEF + jb4 is better than jb4 only, of course. But the best is not use jb4 at all if possible
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01-22-2018, 06:24 AM | #18 |
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Any updates?
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01-22-2018, 10:41 AM | #19 |
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03-16-2018, 08:39 AM | #21 |
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Currently beta testing the JB4 PWG ISO firmware with an MHD BEF. My car is currently FBO running a stock turbo and 93 octane. I can report additional smoothness with the BEF over the JB4 alone, it has also made the car feel a bit more consistent. Power gains are minimal but my butt dyno says I’ve gained a few ponies. The power on 93 feels similar to a small mixture of ethanol with a stand-alone JB4. Once the weather improves I’ll be experimenting with an e40 mix of ethanol. That’s where I expect to see the biggest gains in overall drive-ability and power.
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03-18-2018, 05:03 PM | #22 | |
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