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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 > Datalogging With Cobb



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      09-05-2014, 12:28 PM   #199
tke344
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New log after lowering WGDC ceiling adder and the WGDC adder airflow.

http://www.datazap.me/u/tke344/e70-w...0&data=1-7-8-9

I logged the Requested Boost abs. and boost mean - I thought both of those values were supposed to be + 14.7 atmospheric pressure. Even though the mean is below the requested I'm still seeing boost overshoot at 1 across the entire RPM range. Also, WTF is up with my base WGDC being at 99.9 the entire time?!? - WGDC% and after PID are where you would expect.. I'm lost.
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      10-11-2014, 05:44 PM   #200
jippii ensio
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Reminder; OP is worth reading.
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      10-12-2014, 06:44 PM   #201
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2008 BMW 335xi  [0.00]
first datalogs with cobb accessport

i just recieved cobb ap in the mail and put stage 1 sport st for my 08 bmw 335xi. the car is stock with just a drop in k&n filter. just wondering if anyone can tell me how these logs look and if i should change anything. this is just my daily driver. thanks
Attached Files
File Type: txt datalog2.txt (17.5 KB, 173 views)
File Type: txt datalog3.txt (16.8 KB, 73 views)
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      10-28-2014, 11:09 AM   #202
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Does this log look healthy?

http://www.datazap.me/u/cfigs/10-27-...8&zoom=118-187

Car feels sluggish under 2500rpm, when it used to be totally fine going mid-WOT even at low rpm 3-4th gear. Rarely get misfires, haven't thrown codes. Did all spark plugs and 2 coils I had misfires on about 12k miles ago. Did carbon cleaning about 8k ago when misfires returned. Everything was totally fine after that.

I do keep getting fuel pump plausibility code p2AAF with no other codes. I never had it previous to these issues.
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      10-28-2014, 11:43 AM   #203
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Awesome write up with a lot of valuable, albeit basic, information. This should absolutely be stickied!
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      02-22-2015, 02:52 PM   #204
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Can you tell me if these datalogs look healthy, it seems like there are a lot of cylinder timing corrections. It's a 2011 335i AT on 93 octane.

http://www.datazap.me/u/miamim3/log-...=0&data=4-5-14

http://www.datazap.me/u/miamim3/log-...=1&data=4-5-14

http://www.datazap.me/u/miamim3/log-...=2&data=4-5-14
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      05-05-2015, 11:06 PM   #205
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question about recording
so i hold rpm at 2500 3rd gear steady, press record and then WOT all the way to 7000rpm and then shift into 4th gear and WOT all the way until 7000rpm and stop the recording in ONE pull?
or am i suppose to do 3rd and 4th gear seperately? (both time start at 2500rpm? and end up with 2 datalog files?)
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      05-06-2015, 10:16 AM   #206
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Quote:
Originally Posted by trickystar View Post
question about recording
so i hold rpm at 2500 3rd gear steady, press record and then WOT all the way to 7000rpm and then shift into 4th gear and WOT all the way until 7000rpm and stop the recording in ONE pull?
or am i suppose to do 3rd and 4th gear seperately? (both time start at 2500rpm? and end up with 2 datalog files?)
The first one. Although a full 4th gear pull from 2.5-7k can also be helpful in tunning.
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2018 Alpine White F30LCI 340i Msport w/ MPPSK: Custom E30 tune; 430whp/446wtq
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      05-31-2015, 01:07 AM   #207
PAUL135iCoupe
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Wow my brain hurts from all the info and knowledge l have acquired from this forum. l praise all those that have put so much time and effort into explaining and helping people like myself learn more about our cars.
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      01-13-2016, 08:58 PM   #208
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This is my first attempt at datalogging. Can anyone take a look at these and let me know their thoughts?

http://www.datazap.me/u/datazaprsat/...?log=0&data=14
http://www.datazap.me/u/datazaprsat/...og=1&data=4-14
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      01-14-2016, 06:15 AM   #209
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Great thread
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      03-12-2016, 01:58 AM   #210
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Awesome thread ... Exactly what I was looking for as those short cut names I have no idea wtf they are
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