Post those CSV files to the n54tech support forum or email them in to support with a listing of your mods and fuel if you need technical tuning assistance. Then do some wide open throttle runs, like 40-100mph on a safe private track, and 2000-7000rpm in 3rd gear, and finally export to CSV. If updating from older firmware, take note of the default software settings photo on the page from which you downloaded the firmware and set and save those values on the User Adjustment tab of the software as well.įor datalogging you'll connect and start logging. Then once connected press upload firmware in the interface and select the HEX file to upload it. To update your firmware download the HEX firmware file from the model specific JB4 thread and save it to your laptop desktop or a thumb drive. Just route the cable in the door jamb or window when needed. Option 2 is to route it in to the glove box which takes 15-20 min or so and requires DME removal. Option 1 is to route it over the rubber grommet under the DME cover and leave it there for quick access.You'll just have to lift up the one snap on black panel and can then route it in the window or door jamb on an as needed basis.
To connect to the JB4 you'll need a BMS USB cable available here: įor the USB cable routing/install you have two options. If you do not know what map you are on (assuming you have the USB cable), plug in to your laptop and use the JB4 interface software to figure out exactly what map you are on, just to be sure.Here are some basic directions for getting your laptop connected to your JB4, updating the firmware, and doing a datalog.
I know a friend that has an M4 w/ JB4 and its 2 presses for map 2. Wait a minute, so i have to press the volume button one more count for the desired number map? For map 2 i have to press it 3 times and have it blink 3 times? 2 times for map 1 and so forth? If this is the case i cant tell if i feel stupid or excited that i might have even more power than i already like. Just plug one end into your JB4 and the other end in your laptop, and go from there!
Any other logging/programming needs to be done with the JB4 USB cable that you buy optional w/ the tune. You will see the green light on gear shifter (8 Speed AT) flash 5 times. For example, press it 5 times, then wait. Like the instructions said, use the "volume down" button on the steering wheel.
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