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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 > Backend flash question



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      08-01-2015, 03:13 PM   #1
Turbo_power4ever
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Backend flash question

I just flashed my car. I know the ses light is normal but my car started to go crazy. All the lights came on and the car was shaking and barely moved. I turned it off and back on and now it seems ok. Is that normal?
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      08-01-2015, 04:27 PM   #2
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Did you follow the instructions for what to do after flashing? Turn off console, remove key, insert key, start car.

Also, are you using a JB4 with the flash or standalone?
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      08-01-2015, 04:43 PM   #3
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Quote:
Originally Posted by 335NJ
Did you follow the instructions for what to do after flashing? Turn off console, remove key, insert key, start car.

Also, are you using a JB4 with the flash or standalone?
Yea i did follow instructions. And yea its the jb4 with the *********** e85 flash.
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      08-01-2015, 05:35 PM   #4
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Did you set the jb4 to 4/2? Did you flash the correct file
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      08-01-2015, 05:37 PM   #5
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Yea. Well actually my see light is now off. And car seems to be running fine.... Hmmm maybe it works now??
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      08-01-2015, 05:41 PM   #6
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O sweet jesus... Yea i think it worked. Its pulling harder than ever with e50. Yea it was probably just adjusting or something when it stuttererd???
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      08-01-2015, 06:25 PM   #7
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Quote:
Originally Posted by csu87 View Post
Did you set the jb4 to 4/2? Did you flash the correct file
This, and don't forget to set all AFR/DUTY bias values to 0..
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      08-01-2015, 07:36 PM   #8
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Quote:
Originally Posted by 335NJ
Quote:
Originally Posted by csu87 View Post
Did you set the jb4 to 4/2? Did you flash the correct file
This, and don't forget to set all AFR/DUTY bias values to 0..
Yea i set them all to zero. The afr bias. And i went to 4/2. Then i went to map 2 which is for 17 psi, but im only hitting 12 and its right on target. Then i tried map 1 and 10 psi was target.? I thought for a minute it was working. The flash said it was complete. Took like 10 minutes. I flashed the jb4_i8a0s_e85.bin mines a 07
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      08-01-2015, 07:37 PM   #9
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It seems to pull a bit harder but the psi is not correct. I bought my jb4 last year so it should be g5 iso right?
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      08-01-2015, 07:39 PM   #10
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Quote:
Originally Posted by 335NJ
Quote:
Originally Posted by csu87 View Post
Did you set the jb4 to 4/2? Did you flash the correct file
This, and don't forget to set all AFR/DUTY bias values to 0..
Wait? Im suppose to set the duty bias to zero also?
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      08-02-2015, 02:25 AM   #11
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Quote:
Originally Posted by Turbo_power4ever View Post
Wait? Im suppose to set the duty bias to zero also?
Yes. Read Terry's notes above the firmware updates.
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      08-02-2015, 08:41 AM   #12
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Quote:
Originally Posted by 335NJ
Quote:
Originally Posted by Turbo_power4ever View Post
Wait? Im suppose to set the duty bias to zero also?
Yes. Read Terry's notes above the firmware updates.
Yea i changed it to zero now. It did not state that on the flash directions. Its still not targeting the higher boosts on map 1,2 and 7 though..?? I double checked that it was on 4/2
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      08-02-2015, 10:27 AM   #13
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What firmware on the JB4 are you using?
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      08-02-2015, 10:35 AM   #14
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Quote:
Originally Posted by 335NJ
What firmware on the JB4 are you using?
This it?
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      08-02-2015, 10:43 AM   #15
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Quote:
Originally Posted by Turbo_power4ever View Post
This it?
Upload VER. 30, set all Duty bias to 0, set N20 to 0, set all cylinder logging to 4 or 5, set 3rd gear boost limitation to 0, set meth trigger to 0 unless you're using meth, and set boost safety to 19.

Read this throughly: http://www.n54tech.com/forums/showthread.php?t=17441
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      08-02-2015, 11:32 AM   #16
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Quote:
Originally Posted by 335NJ
Quote:
Originally Posted by Turbo_power4ever View Post
This it?
Upload VER. 30, set all Duty bias to 0, set N20 to 0, set all cylinder logging to 4 or 5, set 3rd gear boost limitation to 0, set meth trigger to 0 unless you're using meth, and set boost safety to 19.

Read this throughly: http://www.n54tech.com/forums/showthread.php?t=17441
Ok i will try this later tonight. Thanks. I tried to read as much info as i could. I already downloaded the hex file i just got to update and install it. Hope that works
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      08-02-2015, 12:42 PM   #17
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Quote:
Originally Posted by Turbo_power4ever View Post
Ok i will try this later tonight. Thanks. I tried to read as much info as i could. I already downloaded the hex file i just got to update and install it. Hope that works
With that many values and things not set properly, it should be 100x better
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      08-02-2015, 12:43 PM   #18
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Quote:
Originally Posted by Turbo_power4ever
Quote:
Originally Posted by 335NJ
Quote:
Originally Posted by Turbo_power4ever View Post
This it?
Upload VER. 30, set all Duty bias to 0, set N20 to 0, set all cylinder logging to 4 or 5, set 3rd gear boost limitation to 0, set meth trigger to 0 unless you're using meth, and set boost safety to 19.

Read this throughly: http://www.n54tech.com/forums/showthread.php?t=17441
Ok i will try this later tonight. Thanks. I tried to read as much info as i could. I already downloaded the hex file i just got to update and install it. Hope that works
Ok thanks alot guys. I appreciate your help.
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      08-02-2015, 12:46 PM   #19
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Quote:
Originally Posted by Turbo_power4ever View Post
Ok thanks alot guys. I appreciate your help.
No problem
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