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Default JB4 MHD Back End Flash Maps for //M Models - 08-30-2018, 08:57 AM

With the recent release of F series OBDII flashing tools for MHD its time for a central thread for development discussion, FAQ, JB4 BEF map distribution, etc. We'll use this thread for //M specific discussion including the S55, and S63TU when support is added.

Suggested Flashing Cable: http://burgertuning.com/OBDII_MHD_CO...ASH_CABLE.html

General directions:

1) Download MHD F Series Flashing software to your android device.
2) There is a $299 for S55 per VIN license fee for flashing maps. You will not need to purchase any map packs as BMS is providing those free of charge, and you also do not need to purchase a logging module as you'll be using the JB4 for logging.
3) To flash just unplug the JB4 from the OBDII port while flashing and plug it back in when done. You don't need to set the JB4 to map0 before flashing because with its OBDII removed it can't interfere on the CANbus
4) Flash "Stage 0" using the MHD tools to start. The initial flash takes around 20-30min so a battery charger is suggested. Assuming it loads properly and the car starts, you're good to go.
5) Load the latest JB4 firmware for your vehicle. We've recently redesigned all F series firmware for must faster datalogging and added extra channels to facilitate dialing in the back end flash maps.
6) Set FutureUseD #6 on. This is going to become the universal F series flag to let the JB4 know you've equipped the vehicle with a back end flash map triggering whatever tuning changes we want to happen on the JB4 end as a result.
7) After successfully flashing "Stage 0" download and load the appropriate BEF from the package at the bottom of this post. You will load the BEF using the "Flash a Backend" option within MHD which ports the changes we've made over to your specific ECU when flashing.

As always our JB4 BEF maps will be provided free of charge and fully unlocked so those of you who are interested can tweak them to your specific needs.

Click here to download the latest maps. Note they are subject to change and when we make revisions we increment the number on each one to keep track of the changes.


S55 JB4 BEF Map Designations:

RACE: Suggested for most applications including pump fuels and E85 mixtures up to 40%.
E85: Intended for use on E85 mixtures of 40-60%.
E85_IGN: Intended for use on heavy E85 mixtures 60-100% and features more aggressive timing advance for maximum stock turbo performance.

Starting work on the FAQ. It's a work in progress. I'll update it as I see more questions come in and as development progresses.

Map Notes:

v13 S55 Maps:

1) Adjusted throttle tables on all maps for smoother operation. Very happy with comfort and sport mode but sport+ still needs a bit of work. There is no performance difference between any of the modes, only how responsive the gas pedal is, so feel free to use whatever mode you prefer. We normally leave our cars on comfort for a more linear gas pedal travel.
2) Added E85_IGN maps which features increased timing advance and a leaner air/fuel ratio, for those who are trying to push stock turbo performance to it's limit. Most vehicles can run the latest map5 with these changes on straight E85 which peaks at around 24psi. From 24psi to 27psi (map7) is a crap shoot and depends on weather, how strong your fuel pump is to start with, exact E85 mixture, etc.
3) These post maps superseded all previous test versions of v13 maps that were being passed around in email.

FAQ:

What benefits does a back end flash map add to the JB4?

Adding in the back end flash map allows JB4 adjustment over a wider range of engine parameters than are available on the factory flash. Including direct adjustment of timing and fueling tables, VANOS adjustment, fuel scalar adjustment for heavier E85 mixtures than possible JB4 only, speed limiter delete, optional exhaust burble, higher calculated torque reported to the automatic transmission, and a host of other parameters than are only possible via flashing the DME.

What are the benefits of running a JB4 with a flash rather than flash only for tuning?

While it's possible to tune an M3/M4 without a JB4 doing so comes with many disadvantages.

1) With JB4s unique features and logic paths, combined with the flexibility of adjusting DME tables directly via the back end flash map, you get better quality, safety, and more powerful tuning. The JB4 includes more robust safety systems than are possible via flash only. Starting with fundamental safety systems like reverting to a safety map if boost exceeds your safety setting, if the air/fuel ratio in either bank turns dangerously lean, or if fuel pressure drops below a safe level. While you might think the DME alone can handle these basic safety systems surprisingly it's not the case. The DME will happily let you run along at full power and a 18:1 AFR, with boost pegged, and the only fuel pressure safety provided is when fuel pressure drops down so low fuel injection itself has to be suspended.

2) More mapping options including absolute boost target maps. The JB4 boost control system is programmed to offer both absolute and additive maps. Absolute meaning you'll always target a specific boost level. Unlike the DME which naturally implements a LOAD control system where boost levels go down when it's cold and go up when its warm. The opposite of what you generally want for turbocharged performance. In addition the JB4 is quick and easily adaptable to a wide range of setups eliminating the need for expensive custom boost tuning and the risks that come with repeated logs on systems that are not yet setup. It's not uncommon for engine damage to occur while a new setup is initially being dialed in. The JB4 automatically tunes wastegate dutycycle, fuel trims, and other important tuning criteria full time in the background greatly simplifying the tuning process. In addition the JB4 auto-tuning map can self tune for various ethanol mixtures without the need of an expensive and difficult to install flex fuel sensor. Pedal to boost mapping, spool aggression, boost by gear, and other critical factors can be easily adjusted to suit the needs for the particular track or racing situation.

3) On the fly changes. Whether it's changing the boost/power level, boost by gear setting (including being able to disable it on the fly for burn outs or if traction turns out to be better than expected), pedal input, exhaust flap position, or what gauges are shown in dash, the JB4 allows a wide range of user adjustment real time from the drivers seat without having to use a 3rd party device or risk programming the DME between runs. You're able to make the changes while out on the track where you need to make them.

4) The JB4 allows for much better real time feedback to the driver. User adjustable in dash gauges allow you to keep a constant eye on boost, timing, knock, meth flow, and/or AFR, all selectable and changeable on the fly from the drivers seat. A user adjustable shift light can be triggered making rowing through the gears easier. JB4 Mobile allows wireless bluetooth logging via your Android or Apple phone without a cable locked in your OBDII port. In addition you can select map0 on the fly to allow OBDII port logging and diagnostics when needed for vehicle service. The JB4 default logging set includes all relevant data required for tuning including boost, timing cylinders 1-6, AFR and fuel trims in both banks, high and low fuel pressure, load, calculated torque, trans temperature, and many other parameters. The JB4 provides a simple to use but incredibly robust data logging system eliminating the need to select what parameters to record before each run and providing instant on the fly charting without the need of 3rd party internet programs. We routinely add parameters to the JB4 logging set based on customer feedback and evolving tuning requirements.

5) Integrated JB4 features such as anti-lag, port injection control, flex fuel sensor, and progressive water/meth (WMI) control eliminate the need for independent add on boxes that are more difficult to install and technically unable to communicate with each other. Integration allows these extra features to share information for a smooth and cohesive tuning solution. When the DME requests a torque drop due to traction or stability control the JB4, WMI, and PI systems all respond accordingly. WMI integration is able to hold boost levels low UNTIL fluid is flowing adequately to prevent spool up and transitional knock, adjust your boost target if the fluid being injected turns out not to be as potent as was expected or required to prevent knock, and in the event of a fail-safe depending on the severity of the situation either lower your boost target partially OR instantly dump boost out the diverter/close the throttle/cut timing. These are just some of the many examples of why having add on boxes an features all integrated through a single system is advantageous.

6) Does not require a MAP sensor change for higher boost levels. On S55 models the JB4 can control up to 36psi with both factory sensors. In addition to saving money on a 3.5bar MAP sensor(s) it also reduces headaches having to switch back the hard to reach MAP sensor(s) back to stock when flashing to stock.

7) Free maps for life. The JB4 is widely used and widely supported including free unlocked back end flash maps and custom mapping support from BMS via the n54tech support forum. BMS sponsors and attends several 1/4 mile and 1/2 mile races per year continuously improving the JB4 base maps and features based on real world experience and feedback. These updates are provided free of charge to JB4 customers via n54tech firmware posts.

8) The JB4 hardware is robust, reliable, highly developed, and upgradable, with many thousands of systems in use since 2008 when it was first released. The key to the JB4s success is that it DOES NOT replace the factory engine computer or DME. The JB4 simply adds on to functionality already provided by the DME. As a result the DME remains in full control of your engine at all times with the JB4 dynamically making small but impactful adjustments to add in extra safety systems and features and dramatically improve performance. And unlike disposable flash maps the JB4 is a physical system you can remove and resell down the road.

Once I flash the DME can the dealership tell? What if I flash it back to stock?

Modifying your vehicle is not without risks and we believe flashing the DME is traceable even if flashed to stock. If you are really concerned about your warranty, it's best not to flash your vehicle. That said when used in conjunction with the JB4's expanded safety systems and mapping use/guidelines, expect a relatively high level of reliability at the elevated power levels.

What flash time options are available?

Certain settings can be toggled on/off or adjusted during the flashing process itself. Including the user adjustable exhaust burble settings, speed limiter delete, cold start delete, CEL delete, etc. MHD will be adding more options as their development progresses.


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Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 08-30-2018, 09:00 AM

Nice!


Performance: 2014 435i : F33 (convertible) : 8AT : BMS Intake : VSRF Charge Pipe - Down Pipe & FMIC : JB4 Stage 2 : FF Wires : EWG Wires : 40% E85 + 93 Octane Map 6 21PSI taper to 17

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Default 08-30-2018, 09:13 AM

Working on some updated v13 MHD S55 maps too. Will post when ready wider testing!


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Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 08-30-2018, 10:54 AM

Sweet!!!!!

Count me in for testing those new maps.


2016 F82 M4 // Sakhir Orange // Black extended leather // Opti-Coat Pro
JB4 (stage 3) // MHD + BMS BEF (RACE, rev12) // BMC drop-in, carbon filter delete // Injen CPs // AR Design catt'd down Ps // Active Autowerke midpipe
LCI rear light retrofit // AutoTecknic front splitters // Mode Carbon High Kick rear spoiler // Status Gruppe rear diffuser
Michelin Pilot Sport 4S 265/285 35-19 // BMS ceramic black exhaust tips // Macht Schnell spacers - 15mm(f), 12mm(r)
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Default 08-31-2018, 04:02 AM

Hi if using shell vpower 99ron in the uk should I be using the the pump or race BEF ?
Thanks ..
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Default 08-31-2018, 08:53 AM

RACE


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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 08-31-2018, 09:05 AM

Okay thanks for reply ive been using the pump is this one only for regular unleaded then
Whats the difference
Thanks mate...
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Default 08-31-2018, 09:09 AM

This is the S55 thread, sorry. For N55 then yes PUMP.


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Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 08-31-2018, 10:44 AM

Okay sorry , so for the n55 running vpower 99ron run on the pump flash is fine
Here's a quick log everything look okay ?
Thanks
Attached Files
File Type: csv bef after intercooler.csv (11.7 KB, 7 views)
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Default 08-31-2018, 10:59 AM

Use the correct thread for N55 stuff.


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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 08-31-2018, 03:08 PM

So glad to have ///M BEF thread!

I think my thread on the support section may be useful to some people that come through here.

http://www.n54tech.com/forums/showthread.php?t=54145

Ill also take the opportunity to get your feedback on the latest questions I asked:

1. Before going to map 7, I updated the BEF with the latest 08/02/18 release. It seems to have improved partial throttle a little but I'm feeling a hiccup in the 4,500-5,000ish RPM. Attaching logs.

2. On both this BEF and the previous, I'm having trouble when the car is warm only, to start. It cranks and cranks and won't start. After 3 or 4 tries, it eventually starts.

3. I've also noticed the downshifting (DCT) has become less precise. Seems to over rev then engage abruptly, makes for harsh shifts in sport mode. I guess the 100% E85 is pushing other systems in the car a little too far?
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Default 08-31-2018, 03:33 PM

On the latest JB4 firmware we have an E85 startup option under FUD bit2. Email me for the firmware and you can test it out. We've also reworked the boost by gear, improved map5, and made partial throttle control a lot smoother. Could use some feedback on it!


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 09-03-2018, 05:32 PM

cable comeing to me and I am mixing my jb4 with the mhd do I need to buy the license for 299 to load map 0
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Default 09-03-2018, 05:34 PM

Yes, MHD charges $299 for an S55 flash license and then you load the BEF maps we post which are free. No additional expenses from MHD.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 09-10-2018, 04:38 AM

Quote:
Originally Posted by Terry @ BMS
On the latest JB4 firmware we have an E85 startup option under FUD bit2. Email me for the firmware and you can test it out. We've also reworked the boost by gear, improved map5, and made partial throttle control a lot smoother. Could use some feedback on it!
Hi Terry, this e85 start up is on 1.8.4 test 5 firmware? Ive updated this yesterday and yes definitely smoother and timing in all cylinders more consistent and Im still on the 11d Bms jb4 s55 bef. Im still waiting for u to email me the latest bef 😂

This boost by gear improves traction ? Do I need to set max boost values for each gear for it to work or its already incorporated? Tx


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25.0 psi, s55 ign e85 Bef, E70, M4 plugs gapped 0.020, stock everything else, 374.9 rwkw Mainline Dyno Aus
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Default 09-13-2018, 03:32 PM

v13 S55 Maps:

1) Adjusted throttle tables on all maps for smoother operation. Very happy with comfort and sport mode but sport+ still needs a bit of work. There is no performance difference between any of the modes, only how responsive the gas pedal is, so feel free to use whatever mode you prefer. We normally leave our cars on comfort for a more linear gas pedal travel.
2) Added E85_IGN maps which features increased timing advance and a leaner air/fuel ratio, for those who are trying to push stock turbo performance to it's limit. Most vehicles can run the latest map5 with these changes on straight E85 which peaks at around 24psi. From 24psi to 27psi (map7) is a crap shoot and depends on weather, how strong your fuel pump is to start with, exact E85 mixture, etc.
3) These post maps superseded all previous test versions of v13 maps that were being passed around in email.


Burger Motorsports
Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 09-13-2018, 11:17 PM

Hey Terry,
Had a lengthy road trip today that allowed me to get some E85 in the tank, mixed with 93 octane to make E35 blend.

I got a few pulls with the S55 RACE v12 BEF, running Map 5 on latest firmware (1_8_4_TEST10).
Those logs are attached here.

Midway through the trip I received the thread email notification about the new BEF maps, so of course, had to pull over and update to the RACE v13 BEF . I will add those logs in a separate post to help keep things organized.


2016 F82 M4 // Sakhir Orange // Black extended leather // Opti-Coat Pro
JB4 (stage 3) // MHD + BMS BEF (RACE, rev12) // BMC drop-in, carbon filter delete // Injen CPs // AR Design catt'd down Ps // Active Autowerke midpipe
LCI rear light retrofit // AutoTecknic front splitters // Mode Carbon High Kick rear spoiler // Status Gruppe rear diffuser
Michelin Pilot Sport 4S 265/285 35-19 // BMS ceramic black exhaust tips // Macht Schnell spacers - 15mm(f), 12mm(r)
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Default 09-13-2018, 11:20 PM

Here are the initial S55 RACE v13 logs I got after re-flashing the DME. Other than the updated BEF map, everything else is the same:
- same tank of E35 blend
- JB4 running 1_8_4_TEST10 firmware
- Map 5


2016 F82 M4 // Sakhir Orange // Black extended leather // Opti-Coat Pro
JB4 (stage 3) // MHD + BMS BEF (RACE, rev12) // BMC drop-in, carbon filter delete // Injen CPs // AR Design catt'd down Ps // Active Autowerke midpipe
LCI rear light retrofit // AutoTecknic front splitters // Mode Carbon High Kick rear spoiler // Status Gruppe rear diffuser
Michelin Pilot Sport 4S 265/285 35-19 // BMS ceramic black exhaust tips // Macht Schnell spacers - 15mm(f), 12mm(r)
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Default 09-13-2018, 11:26 PM

Finally...

I had to refuel, which allowed checking the new BEF using straight pump 93 octane.

One thing I noticed was a surging sensation when gently accelerating at partial throttle. I grabbed a couple logs while this was happening.

All but one of the logs I attached in this and the above posts were obtained in Sport+, DCT set to S3, and MDM (Euro) DSC mode. The other pull was logged while trying Launch Control, just to see how the car handled it with the new firmware and BEF, as well as the new tires.


2016 F82 M4 // Sakhir Orange // Black extended leather // Opti-Coat Pro
JB4 (stage 3) // MHD + BMS BEF (RACE, rev12) // BMC drop-in, carbon filter delete // Injen CPs // AR Design catt'd down Ps // Active Autowerke midpipe
LCI rear light retrofit // AutoTecknic front splitters // Mode Carbon High Kick rear spoiler // Status Gruppe rear diffuser
Michelin Pilot Sport 4S 265/285 35-19 // BMS ceramic black exhaust tips // Macht Schnell spacers - 15mm(f), 12mm(r)
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Default 09-14-2018, 08:05 AM

Quote:
Originally Posted by Terry @ BMS
v13 S55 Maps:

1) Adjusted throttle tables on all maps for smoother operation. Very happy with comfort and sport mode but sport+ still needs a bit of work. There is no performance difference between any of the modes, only how responsive the gas pedal is, so feel free to use whatever mode you prefer. We normally leave our cars on comfort for a more linear gas pedal travel.
2) Added E85_IGN maps which features increased timing advance and a leaner air/fuel ratio, for those who are trying to push stock turbo performance to it's limit. Most vehicles can run the latest map5 with these changes on straight E85 which peaks at around 24psi. From 24psi to 27psi (map7) is a crap shoot and depends on weather, how strong your fuel pump is to start with, exact E85 mixture, etc.
3) These post maps superseded all previous test versions of v13 maps that were being passed around in email.
Ok tx Terry. Will try them out. Does this mean also that I shouldnt use Map 6 any longer and just go to Map 7 on E70 at 25psi. Will Map 6 run leaner too with the new v13 bef?


2009 N54 335i coupe, 6AT PD trans, Stage 3 XHP, Built Motor, 9.6:1 Comp Ratio, Ported Head, Trebilia Custom Flash, JB4, Mhd flasher, Ngk 97506 0.018 gapped, PI Kit 100% E85, Jb4 PI integration, Stage 2 Pure Turbos 25.6psi, 17.2 deg timing, TFT inlets, Stage 3 Fuel-it Fpr, FBO, 431rwkw Mainline Dyno Aus

2016 M4 Competition Pack, 7-sp DCT, Jb4 Map 6
25.0 psi, s55 ign e85 Bef, E70, M4 plugs gapped 0.020, stock everything else, 374.9 rwkw Mainline Dyno Aus
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Default 09-14-2018, 08:25 AM

The AFR targets will effect all JB4 maps, but you can use map6 or whatever you'd like with them.


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Default 09-14-2018, 08:26 AM

Quote:
Originally Posted by TideMD
Here are the initial S55 RACE v13 logs I got after re-flashing the DME. Other than the updated BEF map, everything else is the same:
- same tank of E35 blend
- JB4 running 1_8_4_TEST10 firmware
- Map 5
Thanks! Checking em out now.

Sport+ can be a bit of a problem with the new JB4 partial throttle logic, I have a request in to MHD for a table change I want to adjust it.

Also working on an adjustment to the JB4 side that will also resolve it in a different way. Will post that when ready so you can try it out.


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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 09-14-2018, 10:03 AM

Quote:
Originally Posted by Terry @ BMS
The AFR targets will effect all JB4 maps, but you can use map6 or whatever you'd like with them.
Ok tx Terry. So just to confirm, if all maps are going to be absolute target maps, what will map 6 target? Will map 6 be user adjustable target defined still like before?

Also, afr will target 14.3 midrange and 13.3 up top for all the maps?


2009 N54 335i coupe, 6AT PD trans, Stage 3 XHP, Built Motor, 9.6:1 Comp Ratio, Ported Head, Trebilia Custom Flash, JB4, Mhd flasher, Ngk 97506 0.018 gapped, PI Kit 100% E85, Jb4 PI integration, Stage 2 Pure Turbos 25.6psi, 17.2 deg timing, TFT inlets, Stage 3 Fuel-it Fpr, FBO, 431rwkw Mainline Dyno Aus

2016 M4 Competition Pack, 7-sp DCT, Jb4 Map 6
25.0 psi, s55 ign e85 Bef, E70, M4 plugs gapped 0.020, stock everything else, 374.9 rwkw Mainline Dyno Aus
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Default 09-14-2018, 10:48 AM

Map6 works the same way it worked previously. Enter the target you want.

E85_IGN BEF has mid 14s mid 13s for all maps at full throttle on target boost.


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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default 09-14-2018, 11:21 AM

Quote:
Originally Posted by Terry @ BMS
Map6 works the same way it worked previously. Enter the target you want.

E85_IGN BEF has mid 14s mid 13s for all maps at full throttle on target boost.
So in theory, even at E70, map 6 25psi I should be making more power with the new leaner afr targets?

With leaner afr can I stay with e70 or I need to inc to e85 if boost is at 25psi? Not quite clear on the logic on having leaner afrs except that it means u can run 100% e85 without affecting the fuel pump.


2009 N54 335i coupe, 6AT PD trans, Stage 3 XHP, Built Motor, 9.6:1 Comp Ratio, Ported Head, Trebilia Custom Flash, JB4, Mhd flasher, Ngk 97506 0.018 gapped, PI Kit 100% E85, Jb4 PI integration, Stage 2 Pure Turbos 25.6psi, 17.2 deg timing, TFT inlets, Stage 3 Fuel-it Fpr, FBO, 431rwkw Mainline Dyno Aus

2016 M4 Competition Pack, 7-sp DCT, Jb4 Map 6
25.0 psi, s55 ign e85 Bef, E70, M4 plugs gapped 0.020, stock everything else, 374.9 rwkw Mainline Dyno Aus
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