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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Jb4 stage2 help
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      08-04-2016, 07:28 PM   #1
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Hey guys i recently bought jb4 from another f10 driver just got it installed,
Now my issue is that my check engine light keeps coming back on, orginally the issue was that i didnt have the obd2 cable so it stayed as disabled now i fot the obd2 cable installed shop cleared cel and after 40-50 miles back again now i know its the issue bc i took it to autozone and code came back as "catalytic converter below threshold" since i have catless downpipes the jb4 pretty much is still inactive. Now they are telling me i need the bluetooth connect kit in order to even activate the jb4....is this true or are they just throwing add ons at me for no reason
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      08-05-2016, 07:03 AM   #2
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I can probably help you out...PM me.

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      08-05-2016, 07:51 AM   #3
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Picture of the code im throwing
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      08-05-2016, 04:37 PM   #4
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Did you ask n54tech.com ?
thats JB4 tech support and you will 100% find a better answer than here
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      08-05-2016, 10:26 PM   #5
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Quote:
Originally Posted by FSociety
Did you ask n54tech.com ?
thats JB4 tech support and you will 100% find a better answer than here
Last reply they got was in 2014 for the f10 i posted fingers crossed
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      08-07-2016, 02:56 PM   #6
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Working on my android device as well as finally got a friends windows laptop, both are reading jb4 for some reason map 2 peakin at around 10lbs and jb4 not reading any codes but cel is on and autozone scanner read it as cat below threshold so jb4 isnt correcting my catless downpipe code
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      08-08-2016, 10:58 PM   #7
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http://www.n54tech.com/forums/forumdisplay.php?f=16 post your question this section
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      08-12-2016, 05:07 PM   #8
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Are you using positaps to connect to CAN wires? If so, you need to run positap firmware. This will enable you to scan codes and clear it.
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      08-12-2016, 05:49 PM   #9
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If the other user did not turn it off, you wont need to turn it back on
It will stay on the same map that he was using

Lots of things can be wrong including bad install, wrong firmware, wrong JB4, Faulty unit,etc...

I suggest you start by taking pictures of the Jb4 so we can check if this is the correct one for your car.
Car year would be helpful as well.

3 different JB4 are available for the 535 Harness A, PWG harness B, EWG Harness B
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      08-12-2016, 07:48 PM   #10
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Quote:
Originally Posted by mike@x-ph.com
If the other user did not turn it off, you wont need to turn it back on
It will stay on the same map that he was using

Lots of things can be wrong including bad install, wrong firmware, wrong JB4, Faulty unit,etc...

I suggest you start by taking pictures of the Jb4 so we can check if this is the correct one for your car.
Car year would be helpful as well.

3 different JB4 are available for the 535 Harness A, PWG harness B, EWG Harness B
Thx for the help guys emailed burgertuning directly helped perfectly i had to update firmware bc previous user wasn't using ob2 connection...but were both same year 2012 535 xdrive
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      08-14-2016, 06:56 PM   #11
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Originally Posted by elg0rd0yadigg View Post
Thx for the help guys emailed burgertuning directly helped perfectly i had to update firmware bc previous user wasn't using ob2 connection...but were both same year 2012 535 xdrive
Nice!

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