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Default 07-13-2019, 05:06 PM

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Originally Posted by Luqmaanmall@gmail.com
Map 4 runs spot on with 102, has anyone ran Map 5 on non-ethanol fuel? Thinking of turning things up tonight😈
Log it and shoot it over. Sent you email as well.


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Default 07-13-2019, 05:09 PM

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Originally Posted by nardo19
One more question George. Do the built in safety features have much bearing on stock ecu files? I noticed you guys talking about it a lot in relation to custom flashes. Sounds fantastic to have an extra layer or protection built in. What of stock tunes? Is this necessary?

I apologize for the noobish questions, but I want to understand your product before i drop money into it. Questions of tuning. I assume you have OTS tunes ready to program the JB4 depending on octane and supporting mods. Does Burger offer additional tweaks to the OTS files for my specific car? Obviously every car is slightly different and will likely need some adjustments from car to car on one of your files. How does that work? Is there cost for each adjustment? Thank you



That's great news and a great strategy. Thanks for sharing. Seems very reasonable.
The four OTS files are pretty well sorted and rarely do we need to go to map 6. WE can view your logs though and move to that if necessary.
Any additional safety added is beneficial. The ECU is relatively fast to react but it does this based on stock boost values. For example with AFR lean protection the JB4 would react faster than the ECU would as they seem to have put the trigger point for a engine check light relatively high.


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Glfdriver18 Glfdriver18 is offline
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Default 07-13-2019, 11:34 PM

Am I crazy, or did the JB4 product offering for this platform just change to Rev 2? When I was first looking at it less than a month ago I don’t remember that.
Is this a result of the new board that was being tested? If so, does that mean the fix worked?
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tegxsi tegxsi is offline
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Default 07-13-2019, 11:49 PM

Don't know but it looks like the BCM is now integrated.


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Default 07-14-2019, 04:51 AM

Quote:
Originally Posted by Glfdriver18
Am I crazy, or did the JB4 product offering for this platform just change to Rev 2? When I was first looking at it less than a month ago I don’t remember that.
Is this a result of the new board that was being tested? If so, does that mean the fix worked?
Hasn't been solved. We have integrated the BCM module into the circuit board now.


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Default 07-15-2019, 09:11 PM

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Originally Posted by George @ BMS
Hasn't been solved. We have integrated the BCM module into the circuit board now.
Ok, that makes sense. Unfortunate the issue is still there, but maybe I can help log some stuff to narrow it down. I just picked up a Rev 2 unit today that my dealer just received. Probably get around to installing it this week or next sometime.
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Glfdriver18 Glfdriver18 is offline
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Default 07-22-2019, 11:35 AM

Got the JB4 installed, nice and easy, even compared to my 7.5 R since there was no under the car plug! Couple questions for Terry:
1) Any plans to being trans temp monitoring for the app? Would be very useful for tracking, and it’s something that the car doesn’t display now.
2) For logging, which channel is the overall IGN correction for these cars? IGN 1 like on the R/S3? Which would mean 2-6 are the individual cyls? I ask because I didn’t see Any data at all on IGN 6, which is odd if there is in fact one channel per cyl and an overall one. AVG IGN doesn’t show anything either, as I thought it was perhaps that one.
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Default 07-22-2019, 01:19 PM

Quote:
Originally Posted by Glfdriver18
Got the JB4 installed, nice and easy, even compared to my 7.5 R since there was no under the car plug! Couple questions for Terry:
1) Any plans to being trans temp monitoring for the app? Would be very useful for tracking, and it’s something that the car doesn’t display now.
2) For logging, which channel is the overall IGN correction for these cars? IGN 1 like on the R/S3? Which would mean 2-6 are the individual cyls? I ask because I didn’t see Any data at all on IGN 6, which is odd if there is in fact one channel per cyl and an overall one. AVG IGN doesn’t show anything either, as I thought it was perhaps that one.
We will add trans temp eventually.

Ign1 is the timing as it was on your old unit. On the adaptions 2-5 I don't think we have found the 5th cylinder but that will be added too.


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Default 07-22-2019, 09:21 PM

Quote:
Originally Posted by George @ BMS
We will add trans temp eventually.

Ign1 is the timing as it was on your old unit. On the adaptions 2-5 I don't think we have found the 5th cylinder but that will be added too.
Perfect, thanks for that. Hilariously, although I installed the unit the other day, the first time I romped on the car was tonight heading home from dinner to pass someone. (I have a boring daily commute, I'm half asleep and drive in comfort mode 99% of the time). Floored it, car dropped several gears and then.... nothing. No boost. My wife looked at me like 'what the hell is wrong with your brand new car?!'

I had to explain to her 'it's just the tuning box, that's all.' Granted I think she was equally baffled by the fact I'd just added a tuning box that took all the power away

So, 0/1 so far. Rocky start lol, let's hope things get better from here...
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Default 07-23-2019, 12:07 AM

Quote:
Originally Posted by Glfdriver18
Perfect, thanks for that. Hilariously, although I installed the unit the other day, the first time I romped on the car was tonight heading home from dinner to pass someone. (I have a boring daily commute, I'm half asleep and drive in comfort mode 99% of the time). Floored it, car dropped several gears and then.... nothing. No boost. My wife looked at me like 'what the hell is wrong with your brand new car?!'

I had to explain to her 'it's just the tuning box, that's all.' Granted I think she was equally baffled by the fact I'd just added a tuning box that took all the power away

So, 0/1 so far. Rocky start lol, let's hope things get better from here...
You describe pretty much the same thing that happens on mine randomly


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Default 07-24-2019, 03:10 PM

Something else today that was “interesting”.
I started the car after work and immediately noticed that the boost meter on the gauge cluster was fluctuating wildly. Happened for like ten seconds before I got a warning on the dash ‘drive system malfunction, contact service’.

I shut off the car, left it off for 30 seconds and restarted. The issue was gone. I checked all the connections for security again, everything is snapped in nice and tight. It’s like the JB4 freaked out and send some weird data thru one of the boost sensor connections making the car think it was making crazy boost at idle.

Has anyone experienced this before? I know these units are still beta, but having the no boost problem right out of the gate and now this is making me think this was perhaps a premature purchase...
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tegxsi tegxsi is offline
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Default 07-24-2019, 04:48 PM

I had drive system malfunction once when the OBD cable was loose or wasn't seated all the way. It tripped MAP sensors.

There have been many firmware improvements over the months but the boost issue has been around since the first firmware release. It's like the wastegate is stuck wide open.
I'm enjoying map5 using E30 but it is kind of a downer when the car doesn't want to go. I hope this gets fixed soon.


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Default 07-24-2019, 05:37 PM

Quote:
Originally Posted by Glfdriver18
Something else today that was “interesting”.
I started the car after work and immediately noticed that the boost meter on the gauge cluster was fluctuating wildly. Happened for like ten seconds before I got a warning on the dash ‘drive system malfunction, contact service’.

I shut off the car, left it off for 30 seconds and restarted. The issue was gone. I checked all the connections for security again, everything is snapped in nice and tight. It’s like the JB4 freaked out and send some weird data thru one of the boost sensor connections making the car think it was making crazy boost at idle.

Has anyone experienced this before? I know these units are still beta, but having the no boost problem right out of the gate and now this is making me think this was perhaps a premature purchase...
I think George has seen that before, was fixed changing the physical box placement.


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Default 07-25-2019, 04:03 AM

Quote:
Originally Posted by Glfdriver18
Something else today that was “interesting”.
I started the car after work and immediately noticed that the boost meter on the gauge cluster was fluctuating wildly. Happened for like ten seconds before I got a warning on the dash ‘drive system malfunction, contact service’.

I shut off the car, left it off for 30 seconds and restarted. The issue was gone. I checked all the connections for security again, everything is snapped in nice and tight. It’s like the JB4 freaked out and send some weird data thru one of the boost sensor connections making the car think it was making crazy boost at idle.

Has anyone experienced this before? I know these units are still beta, but having the no boost problem right out of the gate and now this is making me think this was perhaps a premature purchase...
Is the JB4 box sitting between the ECU and airbox. We saw this issue with the unit strapped to the ABS pump area.


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Default 07-25-2019, 05:06 AM

Quote:
Originally Posted by George @ BMS
Is the JB4 box sitting between the ECU and airbox. We saw this issue with the unit strapped to the ABS pump area.
Yes, mounted exactly as you stated, in between the airbox and ECU.

EDIT: exact same issue today after work. Can you explain in detail how the mounting location of the unit could possibly cause this? I’m happy and able to move it, but if it is already in the suggested ‘fix’ location...

Perhaps an in depth understanding of exactly what this issue is, and how the design / location of the JB4 is causing it, will allow an actual fix to be figured out?

Last edited by Glfdriver18; 07-25-2019 at 02:54 PM..
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RSthree RSthree is offline
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Default 07-26-2019, 03:55 PM

I’ll probably jinx myself now but I haven’t had the boost problem. Car is stock and been running map 2&3 for 2 months now.
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Default 07-26-2019, 07:33 PM

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Originally Posted by RSthree
I’ll probably jinx myself now but I haven’t had the boost problem. Car is stock and been running map 2&3 for 2 months now.
I never get it on our TTRS either. I'm sure we'll both by in low boost mode by day end now.


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Default 07-26-2019, 07:34 PM

Quote:
Originally Posted by Glfdriver18
Yes, mounted exactly as you stated, in between the airbox and ECU.

EDIT: exact same issue today after work. Can you explain in detail how the mounting location of the unit could possibly cause this? I’m happy and able to move it, but if it is already in the suggested ‘fix’ location...

Perhaps an in depth understanding of exactly what this issue is, and how the design / location of the JB4 is causing it, will allow an actual fix to be figured out?
SENT signals are high speed and electrically sensitive so there is the potential for outside electrical interference. As a test, remove your blue tooth adapter if equipped also to see if it has any effect.


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tegxsi tegxsi is offline
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Default 07-27-2019, 07:47 PM

Quote:
Originally Posted by Terry @ BMS
SENT signals are high speed and electrically sensitive so there is the potential for outside electrical interference. As a test, remove your blue tooth adapter if equipped also to see if it has any effect.
If signals are high speed would the length of the TMAP sensor connections matter? The harness i have is unnecessary long since I bought the B9 version JB4.


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Default 07-28-2019, 10:05 AM

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Originally Posted by tegxsi
If signals are high speed would the length of the TMAP sensor connections matter? The harness i have is unnecessary long since I bought the B9 version JB4.
That isn't a concern as the rest of the cars we use the same harness on doesn't have the issue with identical sensors. This is what makes the issue baffling.


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Default 07-28-2019, 09:39 PM

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Originally Posted by George @ BMS
That isn't a concern as the rest of the cars we use the same harness on doesn't have the issue with identical sensors. This is what makes the issue baffling.
Between this issue and the boost issue, and with both being only present on the 2.5L motors, why not develop a separate product line entirely just for RS3/TTRS?
Sure, the plugs may be the same, and the sensors, but clearly something is unique to these cars.

Isn’t it still possible that there will need to be a circuit change just for this platform anyways?

Also, thinking about it a bit more, what are the chances the boost drop out issue is related to the start up drive system malfunction? Could it also be caused be EMI?
Have you done any testing with shielding the unit itself/wiring from any EMI, EG: a RF sealed enclosure, using foil/braided copper shielding on the wires, etc?
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Default 07-29-2019, 05:01 AM

Quote:
Originally Posted by Glfdriver18
Between this issue and the boost issue, and with both being only present on the 2.5L motors, why not develop a separate product line entirely just for RS3/TTRS?
Sure, the plugs may be the same, and the sensors, but clearly something is unique to these cars.

Isn’t it still possible that there will need to be a circuit change just for this platform anyways?

Also, thinking about it a bit more, what are the chances the boost drop out issue is related to the start up drive system malfunction? Could it also be caused be EMI?
Have you done any testing with shielding the unit itself/wiring from any EMI, EG: a RF sealed enclosure, using foil/braided copper shielding on the wires, etc?
The challenge is to pin point why some cars do it and others don't so possibly something to do with the box code varying.

Its not related to any stored faults. Happens when car has no faults and when it does happen it doesn't trigger anything.
Have tried different length wires on mind with no success as well as moving the unit away from anything that would interfere.
Its something on top of the priority list and if a new circuit board is required we will swop all the existing ones out for users.


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Default 07-29-2019, 06:54 PM

George, any developments for DWP or wastegate settings like in the N54 to stop the dreaded WG rattle that plagues this platform ?


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Default 07-31-2019, 12:13 PM

Quote:
Originally Posted by George @ BMS
That isn't a concern as the rest of the cars we use the same harness on doesn't have the issue with identical sensors. This is what makes the issue baffling.
On my car, the no boost condition happens on maps 0-5.
Is map-0 pass through or simulated stock? Differences are noticeable between map0 and jb4 removed.


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Default 07-31-2019, 12:16 PM

Quote:
Originally Posted by tegxsi
On my car, the no boost condition happens on maps 0-5.
Is map-0 pass through or simulated stock? Differences are noticeable between map0 and jb4 removed.
Its pass through with the JB4 not changing signals but they signals still go through the JB4. The issue is not a tuning issue but a signal loss signal of some kind.


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