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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 > Log Analysis



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      12-10-2013, 03:07 PM   #1
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Log Analysis

I logged some pulls today with my Cobb AP to make sure everything is looking okay.

After reading a DIY here, I logged the car from 2nd through 3rd gear. I'm now realizing that most people want to just see a full 3rd gear pull. If this is an issue, just let me know and I'll grab some more runs.

The car is an 08 and is completely stock with 45,000 miles. I'm running stage 1 aggressive as finding 93 octane where I live isn't an issue.

Please see my datazap link below for access to my two logs....

http://datazap.me/u/coby

Thanks!
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      12-10-2013, 03:15 PM   #2
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Looks great!
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      12-10-2013, 03:29 PM   #3
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Quote:
Originally Posted by Jeff@TopGearSolutions View Post
Looks great!
Thanks, that's great news! I've got to say the car certainly didn't feel like it had any issues but I'm pretty new at this so I wanted to make sure.

My main problem was getting traction. I was attempting some 0-60 runs but the best I could get was around 5 flat by feathering the gas. Time to ditch these stock RFTs I guess...
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      12-11-2013, 04:31 AM   #4
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yeah run 3rd gear only instead and shift to 4th.
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      12-11-2013, 09:51 AM   #5
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Quote:
Originally Posted by enrita View Post
yeah run 3rd gear only instead and shift to 4th.
will do this weekend and reanalyze. thanks..
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      12-11-2013, 10:59 AM   #6
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Can anyone comment as to why the actual vs requested load and the requested boost abs. vs boost mean abs. are so off at the beginning of the pull in the lower RPM range (1500 - 3000)? It's fine if it is normal, just trying to understand it a bit better...
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      12-11-2013, 12:05 PM   #7
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is normal. everything looks great.
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      12-11-2013, 12:17 PM   #8
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It's fine. Log looks sharp.
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      12-24-2013, 11:46 AM   #9
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started to misfire a week after the aggressive tune so I replaced my plugs and dropped a k&n into the intake. seems to have fixed the issue.

ran a 3rd gear log today ....

http://datazap.me/u/coby/3rd-gear-12242013
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      12-24-2013, 11:49 AM   #10
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There's a bit of noise around 4.5K revs, tough to say why without knowing more, but nothing to be super concerned about. If you have a means of upping the octane a bit, that's never a bad thing on this platform. The corrections are minor and work themselves out quickly, all in all log looks OK to me.
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      02-06-2014, 03:52 PM   #11
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not too good at reading these logs yet but I'm thinking my latest one doesn't look too good....

anyone care to comment? would appreciate the help...

http://datazap.me/u/coby/3rd-gear-262014
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      03-28-2014, 10:39 AM   #12
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just had my hpfp and lpfp sensor replaced due to a rough idle. grabbed a log yesterday on the way back from a business trip. I know I'm in need of a walnut blast as I'm approaching 50k but the car seems to be running fine minus. I am throwing a couple of misfire shadow codes though....

if anyone has time, can you check it out and let me know how it looks?

http://datazap.me/u/coby/32814-3rd-a...gear-93-octane
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