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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > I am just a man who wants all of you to look at my log. Anything wrong with that?



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      01-24-2015, 10:43 AM   #1
Davyhay
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I am just a man who wants all of you to look at my log. Anything wrong with that?

Only mods are Jb4 G5 ISO, VSFR catless downpipes, BMS E85 flash, K&N drop-in filter, and running an E50 blend.

I just made the jump over to the E85 flash last night, as the pump flash was pulling a TON of timing under load. I am no expert, but this looks pretty darn good to me. The surprising thing I see is that there are nearly zero fuel trims.

Could you guys please weigh in?
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      01-24-2015, 11:15 AM   #2
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Quote:
Originally Posted by Davyhay View Post
Only mods are Jb4 G5 ISO, VSFR catless downpipes, BMS E85 flash, K&N drop-in filter, and running an E50 blend.

I just made the jump over to the E85 flash last night, as the pump flash was pulling a TON of timing under load. I am no expert, but this looks pretty darn good to me. The surprising thing I see is that there are nearly zero fuel trims.

Could you guys please weigh in?
For more help on this forum you may want to consider uploading the .CSV to Datazap.me (makes reading a bit easier)
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      01-24-2015, 11:20 AM   #3
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Ah, cool. I certainly will!
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      01-24-2015, 11:29 AM   #4
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Quote:
Originally Posted by Davyhay View Post
Ah, cool. I certainly will!
Also, this thread has LOADS of info that I listed below. Look for the link "logging parameters & their meanings" also in there somewhere.

http://www.n54tech.com/forums/showthread.php?t=10605
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      01-24-2015, 12:13 PM   #5
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Quote:
Originally Posted by Davyhay View Post
Only mods are Jb4 G5 ISO, VSFR catless downpipes, BMS E85 flash, K&N drop-in filter, and running an E50 blend.

I just made the jump over to the E85 flash last night, as the pump flash was pulling a TON of timing under load. I am no expert, but this looks pretty darn good to me. The surprising thing I see is that there are nearly zero fuel trims.

Could you guys please weigh in?
The JB4 log is almost impossible to read, so if you can get the datazap link posted up I would be happy to look. Terry has recently made some changes for the better on the free flash files. So I'm not surprised things look better depending on what you were running for a pump flash.

If your trims are at 0, reduce your scalar on both banks by 10% and see if you can get the trims to hold at 20 + or - 10. Not crazy about how he scales the trims, because they should be 0 + or - 34, but 0 to 50 works, just don't want them at 0.
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      01-24-2015, 01:01 PM   #6
Davyhay
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Here's the Datazap.
http://datazap.me/u/davyhay/first-bm...log=0&data=1-4
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      01-24-2015, 01:04 PM   #7
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Quote:
Originally Posted by WedgePerformance View Post
The JB4 log is almost impossible to read, so if you can get the datazap link posted up I would be happy to look. Terry has recently made some changes for the better on the free flash files. So I'm not surprised things look better depending on what you were running for a pump flash.

If your trims are at 0, reduce your scalar on both banks by 10% and see if you can get the trims to hold at 20 + or - 10. Not crazy about how he scales the trims, because they should be 0 + or - 34, but 0 to 50 works, just don't want them at 0.
Seems like I also remember someone saying that the Fuel Open Loop needed to be set to 0. Is that correct? I still have mine set to the default value.
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      01-24-2015, 01:20 PM   #8
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And exactly how do I adjust my scalar values?
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      01-24-2015, 04:39 PM   #9
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http://datazap.me/u/davyhay/0-120-e6...11-13-14-15-19

Okay, I had some interesting issues on this run. I bumped up to E60 and put the Open Loop setting on 0, as instructed by V8Vait. This is a 0-120 run, and timing went to zero when I hit 4th gear, and then I had a misfire on cylinder 1, resulting in limp mode.
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      01-24-2015, 09:37 PM   #10
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Quote:
Originally Posted by Davyhay View Post
Seems like I also remember someone saying that the Fuel Open Loop needed to be set to 0. Is that correct? I still have mine set to the default value.
You would be a lot better off working with the guys over at N54 Tech as that's Terry's site and his guys would be able to help more than I can.
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      01-24-2015, 10:19 PM   #11
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Quote:
Originally Posted by WedgePerformance View Post
You would be a lot better off working with the guys over at N54 Tech as that's Terry's site and his guys would be able to help more than I can.
+1

Here OP: http://www.n54tech.com/forums/forumdisplay.php?f=35

It looks like the IAT is up around 170+ towards the end, so a bigger FMIC wouldn't hurt either.
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      01-25-2015, 09:24 AM   #12
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Came here looking for a nice rolling steamer and this is all I get?!? Sheesh!
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