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Help N55 E series -
09-21-2017, 04:31 PM
Last edited by Forgottens; 09-21-2017 at 04:37 PM..
Reason: Forgot details
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09-21-2017, 05:39 PM
You'll have to get the code description and use that to diagnose what is wrong with the car. It's not in my N55 code listing, maybe a valvetronic issue based on the first 3 digits? Could be an O2 sensor also as the AFR reading is stuck in open loop.
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09-21-2017, 09:01 PM
Quote:
Originally Posted by Terry @ BMS
You'll have to get the code description and use that to diagnose what is wrong with the car. It's not in my N55 code listing, maybe a valvetronic issue based on the first 3 digits? Could be an O2 sensor also as the AFR reading is stuck in open loop.
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I am pretty sure both codes are part of my sensors on the down pipe since it's not stock. But I wanted to know if my logs look alright and why it loses boost sometimes. |
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09-22-2017, 10:32 AM
The logs look bad, due to AFR being stuck in open loop, which I suspect is the result of the code. It's not a normal code so needs to be addressed.
Burger Motorsports
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It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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11-02-2017, 02:27 PM
The problem with my last logs were a broken O2 sensor which I switched out this week. Can anyone look at my new logs and tell me what is wrong? I get multiple misfires especially in cylinder 5. I also have about 40% E85 mixed with 91 gas, maybe that wasn't such a great idea to do? Thanks in advance!
171102_1308.csv
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11-02-2017, 02:50 PM
Is there Any Codes now ?
2011 F10 535i N55 PWG 8AT | "Pureboost.de Tune" + MHD Flasher | xHP Stage 3 transmission Tune | N20 3.5bar TMAP Sensor | Pure Stage 2 Turbo | GFB DV+ | Fuel-It Stage 2 LPFP | 93 Octane Fuel | BMS Intake | ER 4" CLess D/Pipe | ER 3" Charge-Pipe | Wagner-Tuning Competition Intercooler | Custom Turbo Inlet Pipe | https://i.imgur.com/iR4wm3I.jpg |
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11-02-2017, 02:58 PM
Quote:
Originally Posted by WaqasRiyami
Is there Any Codes now ?
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Yes it has the missfire codes, I forgot to note them down. One blow off valve tuner code and 5 missfire codes. |
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11-02-2017, 03:00 PM
Screenshot Them please, it will help in identifying the problem
2011 F10 535i N55 PWG 8AT | "Pureboost.de Tune" + MHD Flasher | xHP Stage 3 transmission Tune | N20 3.5bar TMAP Sensor | Pure Stage 2 Turbo | GFB DV+ | Fuel-It Stage 2 LPFP | 93 Octane Fuel | BMS Intake | ER 4" CLess D/Pipe | ER 3" Charge-Pipe | Wagner-Tuning Competition Intercooler | Custom Turbo Inlet Pipe | https://i.imgur.com/iR4wm3I.jpg |
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11-02-2017, 03:06 PM
The ones I know were: 2C90, 0000, 2EFE, 2F03, 2EF1 .. I will have to check later to make sure. You guys can’t tell by the log?
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11-02-2017, 03:12 PM
Quote:
Originally Posted by Forgottens
You guys can’t tell by the log?
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i cant tell by nothing  , and cant help by a bit  ,
i am just putting you in a path that will make thing's clearer to the bmw guru's when they come to help
wish you the best in solving the problem mate
2011 F10 535i N55 PWG 8AT | "Pureboost.de Tune" + MHD Flasher | xHP Stage 3 transmission Tune | N20 3.5bar TMAP Sensor | Pure Stage 2 Turbo | GFB DV+ | Fuel-It Stage 2 LPFP | 93 Octane Fuel | BMS Intake | ER 4" CLess D/Pipe | ER 3" Charge-Pipe | Wagner-Tuning Competition Intercooler | Custom Turbo Inlet Pipe | https://i.imgur.com/iR4wm3I.jpg |
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11-02-2017, 03:14 PM
Haha okay for sure, thank you! i will try to get the codes out asap.
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11-02-2017, 04:23 PM
Quote:
Originally Posted by Forgottens
Haha okay for sure, thank you! i will try to get the codes out asap.
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My exact codes are as following: 2EFE, 2F03, 2EE1, 2EF3, 2C90 Blow off valve mechanics, 0000, 0000
Only one of them has a description. |
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11-02-2017, 11:01 PM
Running an old board with newer ISO firmware, I'm assuming the diode on the board has been cut?
If cylinder 5 is consistent...I'd recommend starting there.
Also running pretty rich, probably due to the Dinan tune but that is also causing your HPFP pressures to drop.
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11-09-2017, 07:27 PM
I fixed the problem by changing spark plug #5. I did another log in Map 1 and wanted to see what you guys think, if it looks okay since boost is a little above target. Thanks!
171109_1846.csv
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11-09-2017, 11:45 PM
You never confirmed if your diode is cut.
Timing is not good.
A little overboost but not too bad. FF will probably learn down a bit but if the issue continues, may need to do some DB tuning.
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Video of our Stage 2 LPFP upgrade installation.
BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways.
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