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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning jb4 help. can't connect to laptop

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      05-09-2014, 01:23 AM   #1
kerm1t
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jb4 help. can't connect to laptop

finally got my jb4 usb cable and plugged it in to data log and update firmware.

I'm currently running the jb4 app for mac/osx and the status keeps saying "disconnection"

i update the serial driver as well and still no luck.

my jb4 is powered by the front 12v. and the ground wired to the big nut on the strut.



fixed

Last edited by kerm1t; 05-09-2014 at 12:30 PM..
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      05-09-2014, 02:21 AM   #2
JustinCredibleM
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Is there some type of hardware manager on the mac to see if the cable is connected to something?

Also, if it becomes a big issue, I recommend the "JB4 Mobile" app for the phone. I use it to update the firmware, log, and change maps . Way better than lugging a laptop around.
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      05-09-2014, 02:40 AM   #3
kerm1t
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Quote:
Originally Posted by JustinCredibleM View Post
Is there some type of hardware manager on the mac to see if the cable is connected to something?

Also, if it becomes a big issue, I recommend the "JB4 Mobile" app for the phone. I use it to update the firmware, log, and change maps . Way better than lugging a laptop around.
you need to buy another cable for that right?
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      05-09-2014, 02:41 AM   #4
JustinCredibleM
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Quote:
Originally Posted by kerm1t View Post
you need to buy another cable for that right?
Yeah, but its like 3 bucks off Amazon .
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      05-09-2014, 03:37 AM   #5
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Quote:
Originally Posted by JustinCredibleM View Post
Yeah, but its like 3 bucks off Amazon .
oh what, link??
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      05-09-2014, 03:48 AM   #6
JustinCredibleM
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This is the one I got:

http://www.amazon.com/SANOXY-Micro-U...ords=otg+cable

I have an Android though.
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      05-09-2014, 04:11 AM   #7
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oh ic, your connecting the jb4 usb cable to that. the app detects it no prob?
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      05-09-2014, 04:31 AM   #8
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Yup. When I plug in the USB to my phone, the JB4 app automatically pops up asking me if I want to load the app. If I load it, I can click "connect" and it will connect within a few seconds. From there I can log, change maps, update firmware and some other cool things. The app does cost some money, but its worth it for convenience. I was using it earlier today on the dyno and I sent the logs directly to BMS from my phone and just got everything squared away from there.
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      03-18-2016, 05:22 PM   #9
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Quote:
Originally Posted by JustinCredibleM View Post
Yup. When I plug in the USB to my phone, the JB4 app automatically pops up asking me if I want to load the app. If I load it, I can click "connect" and it will connect within a few seconds. From there I can log, change maps, update firmware and some other cool things. The app does cost some money, but its worth it for convenience. I was using it earlier today on the dyno and I sent the logs directly to BMS from my phone and just got everything squared away from there.
If I buy a device like this, that has a female USB 2.0 port on one side of the cable and a male lightning cable on the other end, would I be able to use this as an adapter to convert the BMS USB cable to a apple lightning cable to directly connect my JB4 board to the JB4 mobile app on my iPhone? It seems you have done something like this and I'm just trying to make sure I'm right, because I want to see if it actually works before trying it out. If this does work, that's good because I don't want to spend $140 on that Bluetooth connector BMS sells, because I don't mind having a wired connection, and I don't want to carry around a bulky laptop that doesn't even have cellular data, when I would just plug my iPhone or iPad directly, that is more portable, and has a cellular connection. Just trying to make sure this would all work since it seems like you have done it. Thanks.

http://www.amazon.com/GooDGo-Premium.../dp/B00HPQUBGK
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