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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 > All COBB Tuning AccessPORT Flash for N54 335i Discussion Here



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      05-01-2013, 12:32 PM   #7525
tarponman85
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And yes, I did a 3rd gear pull from 2.5K RPM to redline. Once the gear changed to 4th I stopped the log. What could I be doing wrong?
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      05-01-2013, 12:46 PM   #7526
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Can someone help me to read my log. Satge 2+ sport shell 91.

datalog5.zip
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      05-01-2013, 01:47 PM   #7527
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Quote:
Originally Posted by Qc335i View Post
Can someone help me to read my log. Satge 2+ sport shell 91.

Attachment 854365
how the hell are you running 91 on stage2+ when my car stumbles and bumbles on stage 1+ aggressive without 93+e85
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      05-01-2013, 01:55 PM   #7528
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Originally Posted by 335iRlz View Post
how the hell are you running 91 on stage2+ when my car stumbles and bumbles on stage 1+ aggressive without 93+e85
stage2+ sport is less aggressive then stage 1+ agg
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      05-01-2013, 02:34 PM   #7529
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Quote:
Originally Posted by tarponman85 View Post
And yes, I did a 3rd gear pull from 2.5K RPM to redline. Once the gear changed to 4th I stopped the log. What could I be doing wrong?
I think I may know what's going on ... After you confirm that you want to start logging, you have to click two more times (once on one of the datalog items (WGDC (Temp) is the top one I think?), then you have to click again for it to say "logging". I think you're actually starting the log AFTER your pull because you never started the log in the first place. I made this mistake the first time I had to log.

Sorry if the wording is a little confusing, but I hope this helps.
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      05-01-2013, 02:52 PM   #7530
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Originally Posted by tarponman85 View Post
And yes, I did a 3rd gear pull from 2.5K RPM to redline. Once the gear changed to 4th I stopped the log. What could I be doing wrong?
when you press once, it should say logging on the screen on small print, make sure it does when you start the run, then press again and make sure ti says not logging afterwards.
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      05-01-2013, 04:00 PM   #7531
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Originally Posted by 335iRlz View Post
how the hell are you running 91 on stage2+ when my car stumbles and bumbles on stage 1+ aggressive without 93+e85
Can you read my log before saying something?
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      05-01-2013, 04:14 PM   #7532
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Quote:
Originally Posted by Qc335i View Post
Can someone help me to read my log. Satge 2+ sport shell 91.

Attachment 854365
-timing looks good, you have drops on cylinder 4 only, log again to see whether it is consistent or not.
if it is, you can go to the drive map, or increase octane. with that said I don't think it's a big deal. keep an eye on it.


-fuel is good.

- you have some throttle closures due to overshooting your load target. by looking at your req boost abs and boost abs you can see how you're kinda over the target in three locations. Look at your throttle closures and you'll see they coincide perfectly with your overshoot.
you can correct this in ATR. it is very simple and there is a DIY on it.
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      05-01-2013, 05:02 PM   #7533
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Quote:
Originally Posted by marv85 View Post
-timing looks good, you have drops on cylinder 4 only, log again to see whether it is consistent or not.
if it is, you can go to the drive map, or increase octane. with that said I don't think it's a big deal. keep an eye on it.


-fuel is good.

- you have some throttle closures due to overshooting your load target. by looking at your req boost abs and boost abs you can see how you're kinda over the target in three locations. Look at your throttle closures and you'll see they coincide perfectly with your overshoot.
you can correct this in ATR. it is very simple and there is a DIY on it.
Thank you, Do you think etune (PTF) can be good for me?
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      05-01-2013, 05:38 PM   #7534
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Thank you, Do you think etune (PTF) can be good for me?
PTF guys are great. However, if you really want to get the most for your money, you should tune for E85 or meth.
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      05-01-2013, 05:43 PM   #7535
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Quote:
Originally Posted by marv85 View Post
PTF guys are great. However, if you really want to get the most for your money, you should tune for E85 or meth.
is a constant 72 good for my LPFP? I was looking at my logs again from the other day.
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      05-01-2013, 05:49 PM   #7536
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Quote:
Originally Posted by racerg35335 View Post
Could be a number of things.... believe me I have replaced just about all of them. Are you running ethanol? If so what % .... have you logged fuel trims?
heres a log, second run i threw a p2a9f code any idea how to fix it? Thanks!
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File Type: pdf edit41.pdf (454.8 KB, 64 views)
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      05-01-2013, 06:15 PM   #7537
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Quote:
Originally Posted by Jeef View Post
heres a log, second run i threw a p2a9f code any idea how to fix it? Thanks!
I won't be near my computer for a couple days to view the log (I'm on my mobile) but we will still need to know supporting mods, your map, fuel type, and ethanol % if you are indeed running it. Can't really tell you how to fix a problem without supporting information. You had said your problem was your lpfp dropping into the 40's... if you are running regular 91 or 93 octane then there is a problem there. if you are running ethanol then the % is probably just too high for your lpfp to keep up. That may answer your question.. if not I will try and take a look when I get a chance or hopefully someone will chime in.
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      05-01-2013, 06:15 PM   #7538
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Quote:
Originally Posted by 335iRlz View Post
is a constant 72 good for my LPFP? I was looking at my logs again from the other day.
it's perfect actually, that's what the target is
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      05-01-2013, 06:28 PM   #7539
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Quote:
Originally Posted by marv85 View Post
it's perfect actually, that's what the target is
Not sure if it made it up with all the maintenance yesterday, but those are the best logs I've ever had with stage1+FMIC today though almost empty it seems to kind of be back to how it was pre e85 mix... Does my 3 gallons of e85 dilute and become less effective as I run down my tank?
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File Type: zip e85.zip (37.0 KB, 21 views)
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      05-01-2013, 06:39 PM   #7540
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Quote:
Originally Posted by 335iRlz View Post
Not sure if it made it up with all the maintenance yesterday, but those are the best logs I've ever had with stage1+FMIC today though almost empty it seems to kind of be back to how it was pre e85 mix... Does my 3 gallons of e85 dilute and become less effective as I run down my tank?
I haven't ooked at the logs yet, but as you run down the tank, E85 doesn't dilute. the ratio stays the same
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      05-01-2013, 06:58 PM   #7541
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Quote:
Originally Posted by racerg35335
Quote:
Originally Posted by Jeef View Post
heres a log, second run i threw a p2a9f code any idea how to fix it? Thanks!
I won't be near my computer for a couple days to view the log (I'm on my mobile) but we will still need to know supporting mods, your map, fuel type, and ethanol % if you are indeed running it. Can't really tell you how to fix a problem without supporting information. You had said your problem was your lpfp dropping into the 40's... if you are running regular 91 or 93 octane then there is a problem there. if you are running ethanol then the % is probably just too high for your lpfp to keep up. That may answer your question.. if not I will try and take a look when I get a chance or hopefully someone will chime in.
Mods are all listed under req for e30 map. Running e40
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      05-02-2013, 01:24 AM   #7542
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Quote:
Originally Posted by tarponman85 View Post
Ah ha!!

That's it! Thats why I found myself pressing the button twice to stop logging!

Thanks!
No problem! Once you get the logs, I'll take a look at them for you.
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      05-02-2013, 02:05 AM   #7543
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Quote:
Originally Posted by 335iRlz View Post
3rd log = crazy wot from 80 to I think 150 lol was raining and trying to focus on the road
What are you doing?
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      05-02-2013, 03:31 AM   #7544
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Originally Posted by The Ghost View Post
What are you doing?
open road, two cars, 10000s of feet of space, not scared... Save the preaching for Sunday it's only Thursday

Quote:
Originally Posted by marv85 View Post
I haven't ooked at the logs yet, but as you run down the tank, E85 doesn't dilute. the ratio stays the same
Either way I just set up an appointment for Brakes front and back, Coils (sat down and looked over all my records I can't find them ever being changed ) and Sparks (coming up on 11k), and an Oil change (1000 miles from 7500k) can't wait to see if it helps my aggressive! As I can hopefully wean off the e85 I must have used too much because after I filled up with 10 gallons of 93 last night I threw the lean codes in bank 1 and SES light... I backed it down to sport+fmic until after finals in a week.

Last edited by 335iRlz; 05-02-2013 at 05:35 PM.
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      05-03-2013, 12:33 AM   #7545
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Quote:
Originally Posted by unic66 View Post
It seems like I am losing power can someone tell me why,please?
On virtual Dyno,I lost about 60 ft/lb of torque?
Here is the Datalog:https://docs.google.com/spreadsheet/...VE&usp=sharing
The car feels like its not going to go fast at first but than it does?
As you can see above the log looks good!
This is a stage 1 aggressive on a 08 335I

Last edited by unic66; 05-03-2013 at 12:38 AM.
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      05-03-2013, 05:03 AM   #7546
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Quote:
Originally Posted by unic66 View Post
The car feels like its not going to go fast at first but than it does?
As you can see above the log looks good!
This is a stage 1 aggressive on a 08 335I
You're probably just feeling the first second or so where it takes to build the boost.
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