06-11-2019, 08:56 PM | #1 |
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JB4 + MHD Backend flash
I was wondering if anyone could explain the JB4 + MHD backend flash. I am currently just running the JB4, but I have seen people talking about adding MHD backend flash to make it better. Could someone explain what running both JB4 + MHD would give you as opposed to say, just the MHD backend tune? I am wondering if I should sell the JB4 and switch over to just MHD, but I have seen people talking about running both and I haven't found one location that explains everything.
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06-12-2019, 01:34 PM | #3 |
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I asked about the same and BMS replied with links. Here's the reply:
JB4 with our back end flash makes about 460 wheel hp with just JB4, intake and our back end flash . https://www.n54tech.com/forums/showp...;postcount=106 Info and notes on the back end flash is here. https://www.n54tech.com/forums/showthread.php?t=57432
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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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06-12-2019, 05:09 PM | #4 |
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If you plan to integrate meth or PI, the JB4/BEF is the way to go.
Otherwise I can't see the need, as these tunes offer most of what the JB4 offers for features, aside from the integrated meth management.
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