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Default Rate my logs please! - 01-22-2022, 10:26 PM

Hey guys, would you mind checking out my first logs please? I have a bit of experience with reviewing datalogs on other cars (VCDS, Cobb AP) but very new to JB4 and the mobile app.

Details: 2016 340i X-Drive (first gen B58) all stock, original spark plugs with 50k km, 8*C ambient temp, at 3400 ft elevation in Calgary, Canada, running on Petro-Canada 94 octane. JB4 without EWG wire. Did 3 runs in a row on Map 2, 3, then 4...all in third gear.

See attached...I hope I did it right. Any advice on which map looks safe? I prefer to go as aggressive as possible without blowing things up. Thanks in advance.
Attached Files
File Type: csv P58_M2_R3_220122_2129.csv (61.3 KB, 69 views)


2003.5 M3, 2007 335XI - Dinan, 2008 335XI - Cobb, 2009 135i - Cobb, 2013 X3 35i, 2016 340i X-Drive - JB4

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Default 01-23-2022, 07:13 PM

So it looks to me like map 3 makes the most boost and it holds steady without any boost creep. But the trims are maxed between 2800-3500rpm. Is that too long? Would this become a problem when the weather is warmer? As far as ignition goes, I’m not sure what to make of the 0 advance between 3000-4000. Is that a timing correction due to insufficient octane? But that actually sits at 0 for longer on map 2 so…

Should I try for a map 5 log? Thanks


2003.5 M3, 2007 335XI - Dinan, 2008 335XI - Cobb, 2009 135i - Cobb, 2013 X3 35i, 2016 340i X-Drive - JB4

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Cannon @ BMS Cannon @ BMS is offline
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Default 01-24-2022, 12:50 PM

Let's see map 5. Log looks good, does your 94 where you are have ethanol?


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Default 01-24-2022, 01:44 PM

Quote:
Originally Posted by Cannon @ BMS
Let's see map 5. Log looks good, does your 94 where you are have ethanol?
Hey Cannon, thanks. Yes, "up to" 10% ethanol.

I will log map 5 asap!

What do you make of the 0 ignition advance and the maxed trims in map 3? Anything to worry about or will it become a problem in the summer time? DAs here can hit 5000ft in the summer.


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Default 01-24-2022, 01:48 PM

Nothing to worry about as of right now. Summertime won't cause you to have issues. The trims maxing out is just at tip-in and you don't go lean. Perfectly fine!


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Default 01-25-2022, 09:39 PM

Ok, here is a log of Map 5...attached.

-3rd gear
-PetroCanada 94
-same conditions as before...6*C ambient.

To me, it looks like Map 5 and Map 3 boost both top out at 16psi, but the onset of the boost is very gradual in Map 5 and more sudden in map 3 - does this mean map 5 is less punchy mid range and laggier for daily driving? But Map 5 seems to have more timing advance than Map 3...

Trims seem higher but not topped out so still ok?

So what do you think...map 3 or map 5?

And without the EWG connector there is no point in any custom parameters right?

I can't tell which feels faster to me and I won't do any Dragy runs on studded winter tires for a few months yet! Thanks!! This is exciting stuff.
Attached Files
File Type: csv map 5 pc94.csv (18.7 KB, 66 views)


2003.5 M3, 2007 335XI - Dinan, 2008 335XI - Cobb, 2009 135i - Cobb, 2013 X3 35i, 2016 340i X-Drive - JB4

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Default 01-25-2022, 09:54 PM

And is it bad that it's topping out at 16psi when the target is 22?


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Default 01-26-2022, 12:12 PM

How many miles are on your turbos? Map 5 looks ok, still quite a few timing corrections.


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Default 01-26-2022, 03:11 PM

30,000 miles on car in total. Why do you ask? Because underboosting? Is that because of 4000ft elevation? But there is only one turbo on B58?

Spark plugs not changed either...


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Default 01-26-2022, 04:33 PM

My apology, I read what car was listed in your banner. (135i)

Are you currently running the BMS BEF? Also, changing over to the NGK plugs would help timing. I have linked below the spark plug kit for your car that will come with the proper tools to get the spark plugs installed. We recommend gapping the spark plugs to .020 - .022
https://burgertuning.com/products/ng...31001746899059


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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 01-26-2022, 05:17 PM

Perfect I’ll pick that kit up. And no back end flash…but I did buy this JB4 used (shhh…) so unless there is a setting I am missing


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Default 01-26-2022, 09:55 PM

So I checked my “default settings” and they were way off from what was posted on the sticky. I changed them! But the sticky is a few years old and my screen doesn’t even look the same. I have latest firmware v20 and latest app. Tmap setting is 1.

Thanks again BMS for your help.


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Default 01-26-2022, 11:27 PM

Hereís another log of map5 with the default settings changed. Car feels fast but itís also -3*C today. But otherwise looks the same to me?
Attached Files
File Type: csv map5 default set pc94.csv (28.7 KB, 49 views)


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Default 01-30-2022, 04:43 PM

Bump?


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Default 01-31-2022, 06:35 PM

Boost is a bit low, try setting your FF to 80 and dropping to map 4. Given you already have a few timing corrections and only running about 15psi, map 5 will likely be too much if you hit the actual boost target. Once we get boost on target, then we can bump it up to map 5 if everything looks okay.



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Default 02-02-2022, 08:25 AM

Thanks Steve. I've switched to those settings but unable to datalog so far. It's -27*C here right now and even with x-drive I'm losing traction throughout third gear.

Question though, if I already have timing corrections at 15psi doesn't that mean hitting target boost at 20psi would result in even more corrections? I don't have easy access to better gas than what I've got now, so should I just accept 15 as the limit?


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Default 02-02-2022, 12:44 PM

That's why I had you drop to map 4. With this platform, timing issues are some times resolved by the adaption process as well.



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Default 02-08-2022, 06:31 PM

Ok, itís warmed up here and I got a run. Map 4, ff set to 80 but it self adapted down to 73. 3rd gear, same gas, boost still stuck at 15ish psi. Datalog attached. What do you think Steve?

Set to map 0 stock, boost is about 10-12psi. Runs well, no codes.

I donít have EWG connector - is that needed?
Iím rocking stock intake - is that ok?
35k miles.

Thanks for your help!
Attached Files
File Type: csv map4 ff set to 80 pc94.csv (21.5 KB, 40 views)


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Default 02-09-2022, 12:45 PM

Yes, I'd recommend adding the EWG connector.

"Map4: Absolute target map with peak of 20psi target (93+ and/or E30 octane) suggested for higher boost models like G chassis, Supra, and Z4. EWG required for proper control.

Map5: Absolute target map with peak of 22psi target (E30+ fuel) suggested for higher boost models like G chassis, Supra, and Z4. EWG required for proper control."



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Default 02-11-2022, 10:06 PM

Hello, I bought the EWG connecter as recommended and installed it tonight. You guys deliver fast!!

Please see attached datalog. It appears there is a lot of throttle closure. Is that due to overboost? FF is set at 74 currently.
Attached Files
File Type: csv map 4 ewg installed.csv (60.6 KB, 39 views)


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Default 02-14-2022, 09:46 AM

Quote:
Originally Posted by GTS Jeff
Hello, I bought the EWG connecter as recommended and installed it tonight. You guys deliver fast!!

Please see attached datalog. It appears there is a lot of throttle closure. Is that due to overboost? FF is set at 74 currently.
Looks good overall. A little over targeting down low. Try another log FF = 50.
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Default 02-14-2022, 10:27 PM

Thanks Terry. I got another datalog. Over the weekend I was researching and reading as much of these forums as I could and tried playing with FUA before settling on 15. Set FF to 50 and car has slowly adapted it up to 63. No longer hitting target boost but doesnít feel noticeably jerky on a pull.

Is the maxed trims, throttle closure to 60%, and leaned out AFR (15:1) at 3800-4200 rpm something to be concerned about? Thanks!
Attached Files
File Type: csv map4 fua15.csv (13.1 KB, 42 views)


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Default 02-16-2022, 01:53 PM

A bit of underboost so FF will learn up a bit more if it hasn't already.

Trims are maxed out momentarily and its not forcing you lean so that's not an issue.



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Default 02-16-2022, 05:48 PM

Ok thanks. The 15.7:1 at 3000rpm isn’t a problem? Anything else I can do to pick up some speed? The dragy runs are still pretty slow!


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Default 02-17-2022, 12:36 PM

That's when it first starts to spool...no biggie. You have some timing corrections and FF still needs to learn up a bit. I'd monitor it for a while to see if it adapts and timing remains good...if so, then you may be able to go to map 5, if not, you'll need more octane.



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