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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 > How does this log look?



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      08-22-2015, 03:15 PM   #1
MachWon
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How does this log look?

07 335i 6mt -- JB4 G5 ISO 31, DP's, DCI, CP/BOV

http://www.datazap.me/u/machwon/map-...om=0-21&mark=1

Been dealing with a slow spool and acceleration on light throttle and deceleration, and I'd really like to keep it out of the shop if possible. I also get ignition codes (2e1x) on all cylinders every now and then. Just wondering if anything stands out in this log, as I have next to no idea how to read it. Anything helps! Thanks.
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      08-22-2015, 03:51 PM   #2
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How old are your plugs? I haven't looked at the log yet by the way, but I'll take a look shortly when I'm on an actual computer.
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      08-22-2015, 04:07 PM   #3
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I was told they were replaced at 99k with the water pump and thermostat. The car has 115k on it now.

What exactly do igniton codes mean? I can't find much about them online. I do have the 2-step/NLS and I read that might be a possible cause for the codes.
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      08-22-2015, 04:08 PM   #4
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It looks like you need to do another one. You need at least a 2.5-6k rpm pull in third gear continuing at least halfway into 4th. This one is only goes from 3k-4.5k rpm.
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      08-22-2015, 04:15 PM   #5
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I thought an ideal pull was 3rd gear 2500 to redline..? I tried to do that but had to wait for cars and drifted up to ~3k. Either way, the log is 3k to 6.3k.. hell I didn't hit target until like 4.5k... haha.
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      08-22-2015, 04:20 PM   #6
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Quote:
Originally Posted by MachWon View Post
I thought an ideal pull was 3rd gear 2500 to redline..? I tried to do that but had to wait for cars and drifted up to ~3k. Either way, the log is 3k to 6.3k.. hell I didn't hit target until like 4.5k... haha.
Definitely ride it into 4th for a couple thousand rpm, especially us MT guys it seems.
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      08-22-2015, 04:23 PM   #7
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Yeah, another problem I'm having is that the car falls on its face between shifts.. combine that with a slow spool and it's just flat out sad.
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      08-22-2015, 04:48 PM   #8
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Quote:
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Yeah, another problem I'm having is that the car falls on its face between shifts.. combine that with a slow spool and it's just flat out sad.
Can you post a screenshot of the user settings menu on your JB4 interface?
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      08-22-2015, 05:03 PM   #9
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No I cannot. I used a friend's laptop for the log (we were updating me to ISO 31), mine is broken. I can send you the .csv, I think that shows my user adjustment settings.

I did notice that meth was at 100, and I'm not running meth. No idea what that means though.
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      08-22-2015, 05:10 PM   #10
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Quote:
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No I cannot. I used a friend's laptop for the log (we were updating me to ISO 31), mine is broken. I can send you the .csv, I think that shows my user adjustment settings.

I did notice that meth was at 100, and I'm not running meth. No idea what that means though.
Are all of the defaults set properly? They don't get set automatically, and i'm wondering if you have some settings out of whack.

It's hard to tell too much from that log.

http://www.n54tech.com/forums/attach...1&d=1428272010
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      08-22-2015, 05:13 PM   #11
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Takes waaaaaay too long to slope up to target -- in a 3rd gear pull with an MT, a healthy car will get up to target in 500 RPM, i.e., by 3000 RPM. Also, you have a decidedly unaggressive tune for all your bolt ons -- 13 psi peak boost?
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      08-22-2015, 05:39 PM   #12
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It was on map 1. I felt like this was a better log than the one we did in map 2, it shows the boost issues better. Are 4* timing drops normal?

335NJ: give me about an hour to set up the JB4 interface on my sisters mac, and then I'll get you that screenshot. Not sure on the settings. I'm headed to a car meet tonight, so (assuming I get things set up on the mac) I'll get some better logs then too.
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      08-22-2015, 06:50 PM   #13
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I'm having absolutely no luck getting the max to work. I got everything downloaded, but it doesn't detect my usb cable.
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      08-22-2015, 06:54 PM   #14
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Quote:
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I'm having absolutely no luck getting the max to work. I got everything downloaded, but it doesn't detect my usb cable.
Did you install the drivers?

Ignition ON, engine Off?
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      08-22-2015, 06:56 PM   #15
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Yes, drivers are installed. Ignition is on and the car is off. I can't even find the USB in system information. It's a MacBook Air on OS x 10.9.5. Is that too new for those drivers?
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      08-22-2015, 07:19 PM   #16
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      08-22-2015, 07:39 PM   #17
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FF-80
Auto shift boost redux-0
FOL- 70
N20- 0

And run map 5, 3 pulls at WOT, then log again. Have you check all of the vacuum lines for leaks, and tested the boost solenoids?
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      08-22-2015, 08:13 PM   #18
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http://www.datazap.me/u/machwon/jb4-...1-4&zoom=0-387

Map 5 as requested. I've checked the vacuum lines by eye, and the solenoids 'appeared' to be working correctly when I tested them.
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      08-22-2015, 08:22 PM   #19
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Quote:
Originally Posted by MachWon View Post
http://www.datazap.me/u/machwon/jb4-...1-4&zoom=0-387

Map 5 as requested. I've checked the vacuum lines by eye, and the solenoids 'appeared' to be working correctly when I tested them.
Post the CSV at N54Tech, but from what I can see there's timing corrections, and it looks like there may be a vacuum issue since it's taking so long for boost to build. I'd replace all of the lines for good measure.
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      08-22-2015, 08:27 PM   #20
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Okay, thanks man. Are you on n54tech?
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      08-22-2015, 09:03 PM   #21
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Quote:
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Okay, thanks man. Are you on n54tech?
I am, there's nothing but great support over there for the JB4. Usually most issues and questions are answered in minutes.
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      08-22-2015, 09:10 PM   #22
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I made a post over there with the log.

What is the best way to test the vacuum lines?
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