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Default 08-19-2019, 02:46 PM

Quote:
Originally Posted by steel234
Hey Guys,

anyone installed BCM to the "old" JB4? I cant found installation manual for BCM.

At the moment Im driving without JB4, the car was by service (0w20 oil fr 409 EUROS, FU Audi!) and the car feels really luggish...
There is a video of a install guide in post 1, third video down.


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Default 08-19-2019, 02:54 PM

Thank you George!


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Default 08-25-2019, 03:17 AM

We have posted lots of European dynos with flywheel corrections. A user sent in some Mustang testing on his S4 running a E30 mix on map 6 with 7.5psi over stock. Car made 398whp and 435ft lb and they known to be stingy dynos. If you factor in the 15% most tuners are using its good for 460hp
Mods:
JB4
CTS Test pipe
Intake
FMIC and charge *****
********
Exhaust



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Default 08-25-2019, 03:22 PM

my 100-200 km/h is nearly exactly the same as RS4 (both Avant)... ~460 hp is good possible.


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Default 08-29-2019, 05:36 AM

Some nice numbers from Aaron out in the UK at recent dyno day.
Car ran 99ron/94AKI with only drop in BMC filter.
441hp and 517ft lb and the ECU is still a virgin [drive]





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Pietia Pietia is offline
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Default 08-30-2019, 02:44 AM

Hi guys, I want to ask you, if you noticed a little vibration on P or neutral gear in your S4 or S5? The revs are low and there is a probem? I read at german forums that it is typical for 3.0tfsi, but the problem came out earlier even in s4 b8 or a7 15' 3.0tfsi. When I start to drive and revs goes higher the problem is gone and I forget about it. But driving in town from lights to lights and waiting for green is a little bit annoying. What do you think?
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Default 08-30-2019, 04:26 AM

Its not a bug. its a feature. 3.0 TFSI runs in a Miller Cycle, ist the reason for this restless idle run...


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Default B9 S5 on JB4 high elevation - 08-30-2019, 01:12 PM

Hello everyone, just installed JB4 on B9 S5 located in Denver CO on high elevation and did some logs on MAP 1 and MAP 2. My AFRs are kinda bad hopefully that can be improved both logs done on 91 octane Shell fuel. Attached both logs will do some more trying to experiment with MAP 3 with a bit of E85. Mixed 2 gallons of E85 to 12 gallons of 91 running MAP 3 feel wise there is a difference but AFRs are still too high imo.
Attached Files
File Type: csv 2019-08-30 00_03_20_Map-1.csv (13.2 KB, 26 views)
File Type: csv 2019-08-30 11_55_07_Map-2.csv (11.3 KB, 21 views)
File Type: csv 2019-08-30 12_07_03_Map-3.csv (10.1 KB, 28 views)
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Default 08-30-2019, 01:15 PM

what do you mean "too high" ?


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Default 08-30-2019, 01:23 PM

Quote:
Originally Posted by steel234
what do you mean "too high" ?
I meant its running too lean. Sorry new to this stuff friend of mine looked at the graphs saying its too lean.
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Default 08-30-2019, 02:31 PM

Quote:
Originally Posted by Slava
Hello everyone, just installed JB4 on B9 S5 located in Denver CO on high elevation and did some logs on MAP 1 and MAP 2. My AFRs are kinda bad hopefully that can be improved both logs done on 91 octane Shell fuel. Attached both logs will do some more trying to experiment with MAP 3 with a bit of E85. Mixed 2 gallons of E85 to 12 gallons of 91 running MAP 3 feel wise there is a difference but AFRs are still too high imo.
Map 3 seems a tad to aggressive for the 91 so you better of with map 2.
Get the mix in, you can go up to 5gal to a full tank for max gains.

AFR are normal. Its a direct injection car and they run them lean. The ECU does look at exhaust gas temperature and will enrich if it deem the cylinder temperatures are getting to hot.


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Default 08-30-2019, 02:48 PM

Quote:
Originally Posted by George @ BMS
Map 3 seems a tad to aggressive for the 91 so you better of with map 2.
Get the mix in, you can go up to 5gal to a full tank for max gains.

AFR are normal. Its a direct injection car and they run them lean. The ECU does look at exhaust gas temperature and will enrich if it deem the cylinder temperatures are getting to hot.
Thank you George! Should I mix 5 gallons of E85 to a full tank and run map 3 or I can go even to map 4 and map 5 with the same 5 gal of E85 to a full tank?
Thanks again
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Default 08-30-2019, 03:34 PM

Quote:
Originally Posted by Slava
Thank you George! Should I mix 5 gallons of E85 to a full tank and run map 3 or I can go even to map 4 and map 5 with the same 5 gal of E85 to a full tank?
Thanks again
Start with map 4 and log and we can see if will allow for map 5.


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Default 08-31-2019, 09:41 AM

Quote:
Originally Posted by George @ BMS
Start with map 4 and log and we can see if will allow for map 5.
Thanks George added some more E85 its about 5 gallons to a full tank and did a log on map 4.
Attached Files
File Type: csv 2019-08-31 00_49_28_Map-4.csv (9.1 KB, 19 views)
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snowfree52 snowfree52 is offline
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Default 08-31-2019, 10:28 AM

@George
I know you recommand 5 gallons (around 27%) for best results but any insight on putting more ? let's say 6,5 gallons

1. is it worse or the same performance wise ?
2. Is it OK for the engine parts ?

What is the most that we can put into the tank without damaging the engine or worsen performance ?

Thanks

Last edited by snowfree52; 09-01-2019 at 01:24 AM..
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Default 09-03-2019, 09:48 AM

Quote:
Originally Posted by snowfree52
@George
I know you recommand 5 gallons (around 27%) for best results but any insight on putting more ? let's say 6,5 gallons

1. is it worse or the same performance wise ?
2. Is it OK for the engine parts ?

What is the most that we can put into the tank without damaging the engine or worsen performance ?

Thanks
It depends on each car (mods, elevation, etc.) Start with the lower blend and send us logs to evaluate. Once we verify, then we'll let you know where to go from there.


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Default 09-03-2019, 10:14 AM

Quote:
Originally Posted by snowfree52
@George
I know you recommand 5 gallons (around 27%) for best results but any insight on putting more ? let's say 6,5 gallons

1. is it worse or the same performance wise ?
2. Is it OK for the engine parts ?

What is the most that we can put into the tank without damaging the engine or worsen performance ?

Thanks
Thought I responded here.
We have seen that timing maxes out at around 5gal so it seems to be the sweet spot. Putting a little bit over wont do any harm but too much will tax the fuel system unnecessarily in the long run.


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Default 09-03-2019, 11:18 AM

thank you both for the answer
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Default error codes - 09-05-2019, 11:58 PM

Hi Guys,

Had some error codes come up today and wanted to check whether it could be the JB4.

P01E400 - Engine Coolant Temperature Sensor 3 Circuit Range/Performance
Active
P308100 - Engine temperature too low
Active
P017B00 - Cylinder Head Temperature Sensor Circuit Range/Performance
Active

(this output is from an obd-eleven, since the code is more user friendly)

I guess I will know the answer once I take out the JB4, but at the time the engine was too hot to do so, and if a fault code clear is likely to fix I'd rather do that... but if this is something that the JB4 couldnt do and its likely I have a problem with sensors in the engine, that would prompt me to book in a workshop visit straight away!

cheers.
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Default 09-06-2019, 03:21 AM

Quote:
Originally Posted by kanemari
Hi Guys,

Had some error codes come up today and wanted to check whether it could be the JB4.

P01E400 - Engine Coolant Temperature Sensor 3 Circuit Range/Performance
Active
P308100 - Engine temperature too low
Active
P017B00 - Cylinder Head Temperature Sensor Circuit Range/Performance
Active

(this output is from an obd-eleven, since the code is more user friendly)

I guess I will know the answer once I take out the JB4, but at the time the engine was too hot to do so, and if a fault code clear is likely to fix I'd rather do that... but if this is something that the JB4 couldnt do and its likely I have a problem with sensors in the engine, that would prompt me to book in a workshop visit straight away!

cheers.
Hi, The JB4 does not connect to any sensor that would affect readings from those sensors. Best bet would be to remove the unit and dealer the car.
Did you happen to read the faults using the JB4. If so let me know the codes you saw so we can add them to the list of translated faults as we havent seen coolant related faults before.


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kanemari kanemari is offline
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Default 09-06-2019, 05:03 AM

Quote:
Originally Posted by George @ BMS
Hi, The JB4 does not connect to any sensor that would affect readings from those sensors. Best bet would be to remove the unit and dealer the car.
Did you happen to read the faults using the JB4. If so let me know the codes you saw so we can add them to the list of translated faults as we havent seen coolant related faults before.
not sure why I didnt check the faults on the JB4 before trying the obdeleven, but anyway I checked the faults on the JB4 and got the following:-

P0100, P01200, P0000

And when I checked in my history I saw that I had P0100 and P0000 before on 2 other occasions.

So I cleared the codes... took 2 clears for it to go, but once the code was gone, the engine oil temp started registering again (previously it was just showing up as nothing), and the radiator fan went off full speed and back to normal as well.

I was worried so kept checking for faults again numerous times along the drive (at map 0) and they never came back, and the car behaved as per normal.

Is it possible that the JB4 could temporarily interrupt some sensors and cause a fault to happen only as a result of a few split seconds of missing or bad data? and then the engine fault just kicks in and doesn't bother trying to check if the sensor is back online or getting good data again?

its either I have an intermittent faulty engine temp sensor that shows up at 3 month intervals, or the JB4 intermittently does something funny. but I have a feeling if I take it to the dealer and they clear the fault and it works fine after that, they will tell me to just come in if it happens again. I cant exactly say its happened 3 times before and I cleared the faults with the JB4
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Default 09-06-2019, 06:32 AM

Quote:
Originally Posted by kanemari
not sure why I didnt check the faults on the JB4 before trying the obdeleven, but anyway I checked the faults on the JB4 and got the following:-

P0100, P01200, P0000

And when I checked in my history I saw that I had P0100 and P0000 before on 2 other occasions.

So I cleared the codes... took 2 clears for it to go, but once the code was gone, the engine oil temp started registering again (previously it was just showing up as nothing), and the radiator fan went off full speed and back to normal as well.

I was worried so kept checking for faults again numerous times along the drive (at map 0) and they never came back, and the car behaved as per normal.

Is it possible that the JB4 could temporarily interrupt some sensors and cause a fault to happen only as a result of a few split seconds of missing or bad data? and then the engine fault just kicks in and doesn't bother trying to check if the sensor is back online or getting good data again?

its either I have an intermittent faulty engine temp sensor that shows up at 3 month intervals, or the JB4 intermittently does something funny. but I have a feeling if I take it to the dealer and they clear the fault and it works fine after that, they will tell me to just come in if it happens again. I cant exactly say its happened 3 times before and I cleared the faults with the JB4
The JB4 wont affect those. If you do some research there is some kind of issues on the earlier cars relating to the fan and cooling systems. I think there was a TSB for them as well.


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Default 09-23-2019, 07:58 AM

Hi George, currently running map 5 with E85 mix
Would a custom map 6 be quicker ?
Thanks !
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Default 09-23-2019, 08:23 AM

Quote:
Originally Posted by snowfree52
Hi George, currently running map 5 with E85 mix
Would a custom map 6 be quicker ?
Thanks !

Grab some logs and lets see what they look like. If there is room we can add a bit more. Email through to george@burgertuning.com


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Smile SQ5 drag times on JB4 - 09-26-2019, 08:51 PM

My stock 2019 SQ5 Prestige with "20 wheels ran a stock 13.5 @ 102mph (rounded) back in the Spring in the Northeast with a 1/3 tank of 93 Mobil gas. I am a 280 lb driver and as you may know, the SQ5 is 600 lbs heavier than the S4. The air temps were around 67-70F back then. I made all runs in Auto, Sport Dynamic.

Last night, I installed the JB4 and took it to the track again. I again had about a 1/3 of a tank of 93 Mobil octane. Air temps ranged from 70 down to 64F at night. There was dew/humidity present last night as well. I tried Maps 2 and 3 on Auto, in Sport Dynamic.

My best runs were:

Map 2: 13.343@102.86 (60 Foot 1.924)
Map 3: 13.416@103.63 (60 Foot 2.016)

What kinds of times/speeds are other SQ5 owners seeing with the JB4?

Please list the time/speed - map - octane fuel - approx. driver weight, lol..

Any other help or suggestions are appreciated!

Thanks!
T
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