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-   -   JB4 for 2018+ B9 AUDI S4, S5, SQ5, RS4, RS5 (https://www.n54tech.com/forums/showthread.php?t=49608)

Terry @ BMS 02-08-2018 10:03 PM

Not going to offer anything for the CEL within the USA for emissions compliance. We're still evaluating the fuel mapping options but we'll ensure anything we release is well tested on that front.

ECU adaption is generally very minimal.

Jdawg 02-22-2018 11:40 AM

Any updates on progress? Also i would like to put myself on the tester list. Hot and humid south florida ��

Terry @ BMS 02-22-2018 04:27 PM

Still waiting for the harnesses but I want to get a few of these out soon. Hopefully they turn up soon!

Terry @ BMS 03-01-2018 05:52 PM

2 Attachment(s)
Finally got the production harnesses in! I'll work on getting a few test systems together. :)

Attachment 71931
Attachment 71930

Jdawg 03-01-2018 08:11 PM

Feel free to email me if you would like a willing test vehicle!

Alessandro 03-03-2018 06:43 AM

Finally i am also ready to test :)

Terry @ BMS 03-03-2018 11:10 AM

Quote:

Originally Posted by Alessandro (Post )
Finally i am also ready to test :)

Email me lets discuss!

Jdawg 03-03-2018 03:37 PM

I cant seem to find your email address terry. Can you pm me it or email me?

Terry @ BMS 03-03-2018 04:49 PM

terry@burgertuning.com

Terry @ BMS 03-08-2018 09:33 AM

Added BETA install guide to the first post

Terry @ BMS 04-06-2018 06:23 PM

3 Attachment(s)
Anthony at ACF picked up an RS3 and brought it by so we could poke around. Got the basic JB4 up and running fairly easily. As some know the RS3 runs both port injection and direct injection at the same time, quite interesting for a factory setup.

We're taking the S4 and RS3 out to NoFlyZone tomorrow for data collection since it's supposed to rain and track will likely be too slick for our race cars. Will try to get a few videos of the cars lined up. :)

135idct 04-07-2018 07:38 AM

dyno run for the RS3?

Terry @ BMS 04-07-2018 06:01 PM

4 Attachment(s)
On the RS3 just collecting data and playing around, so far. We have CANbus up and running though. And the beginning of a tune. Got some great logs on it today in the rain I need to analyze.

Took the S4 out to NFZ today and did a few runs in the rain. Ran ~132mph stock, and ~137mph running 4psi over stock (map3), 91 octane with a can of octane booster.

Despite the cooler weather IAT was rocketing up so I think an intercooler upgrade is going to be a must for this thing. Also need to start looking at the intake. Tried raising boost further than map3 levels but car didn't get any faster so something is holding it back here. Maybe just hot air coming out of the factory turbo?

Penetrator7 04-07-2018 11:40 PM

Great stuff guys, I so can’t wait for the RS3 JB4 lol

Terry @ BMS 04-12-2018 03:31 PM

Firmware:

AUDI_JB4_SENT_T6:

1) Added map5 which is 6psi peak over stock, for race gas and E85 mixture experimentation
2) Added knock monitoring in cyl5. Will add cyl6 shortly.
3) Added flash boost target logging
4) Changes to avoid triggering 9023 manifold pressure too low fault when letting off the gas on higher boost maps

Penetrator7 04-12-2018 03:37 PM

How close do you think until a roll out Guys?

Terry @ BMS 04-12-2018 03:39 PM

Hard to predict on that. We have maybe 15 systems out, generally working well, a couple things I want to correct before a wider release though. We may release another 10 systems though next week.

Penetrator7 04-12-2018 03:42 PM

Quote:

Originally Posted by Terry @ BMS (Post )
Hard to predict on that. We have maybe 15 systems out, generally working well, a couple things I want to correct before a wider release though. We may release another 10 systems though next week.


I’m going to the Nürburgring in 2 weeks so what better place to test there for you ;)

Happy to do so.

135idct 04-12-2018 05:23 PM

why in the logs of the s4 after the shift of each gear the boost go up and up.

why not holding the same boost all gears :shrug :shrug

George @ BMS 04-12-2018 06:25 PM

Quote:

Originally Posted by 135idct (Post )
why in the logs of the s4 after the shift of each gear the boost go up and up.

why not holding the same boost all gears :shrug :shrug

The ECU targets torque. As you go through the gears the intake temperature increases which in turn requires more boost for the same torque target.

Terry @ BMS 04-12-2018 08:13 PM

1 Attachment(s)
Quote:

Originally Posted by 135idct (Post )
why in the logs of the s4 after the shift of each gear the boost go up and up.

why not holding the same boost all gears :shrug :shrug

That's how Audi programmed it. DME BT is the "stock" boost target. Right now all the maps are "additive" based meaning they add boost to stock. But we'll also be working on "absolute" target maps as well that target the same boost level regardless of the factory load request.

135idct 04-12-2018 10:33 PM

Quote:

Originally Posted by Terry @ BMS (Post )
That's how Audi programmed it. DME BT is the "stock" boost target. Right now all the maps are "additive" based meaning they add boost to stock. But we'll also be working on "absolute" target maps as well that target the same boost level regardless of the factory load request.

thanx for the info, any plans for BEF and change more tables, they say the DME crack is easy for Audi models.

Terry @ BMS 04-13-2018 07:41 AM

Quote:

Originally Posted by 135idct (Post )
thanx for the info, any plans for BEF and change more tables, they say the DME crack is easy for Audi models.

No plans for that. We're going for the easy to install/remove without a trace market for the platform. But, if someone happens to flash the car our systems are great for custom tuning, on the fly changes, WMI integration, etc.

George @ BMS 04-13-2018 08:54 AM

Quote:

Originally Posted by 135idct (Post )
thanx for the info, any plans for BEF and change more tables, they say the DME crack is easy for Audi models.

The Bosch ECU in the S4 seems to be a major challenge for flashing and hasn't been cracked yet as well as related ECU's in smaller models.

nicotino15 04-13-2018 03:50 PM

getting my beta unit tomorrow, looking forward to testing. Is anybody else testing or have anything to share? Is map 3 doing good on 93 octane?

Terry - what would be map 5 requirements? I can get E85 here, but I have no idea about it.

Will WMI be legit solution for intake temps, I don't know much about it except how popular it is in the bmw scene, does it work the same for the S4?


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