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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > Resetting Transfer Case during Fluid Change



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      01-10-2014, 01:01 AM   #1
denearum
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Resetting Transfer Case during Fluid Change

Hey Guys,

I've been trying to find the solution for this other than a BT cable, what software do you use and whats the process to reset your transfer case after you change the fluid? I have a K+DCAN cable or whatever, and a ton of different software installed but cant seem to figure it out. Its a 2008 335xi btw.

I know there's some argument about if the reset is needed, but lets assume it is. Any ideas?
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      01-10-2014, 05:57 AM   #2
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Would like to know also, it's probably in INPA, that's what you can use to reset transmission adaptations.
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      01-10-2014, 06:11 AM   #3
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I changed out my trans case fl a few thousand miles ago. I never reset anything. Interested to hear why a reset is needed on trans case fluid change.
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      01-10-2014, 06:13 AM   #4
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I've read before that sometimes people have gotten away without resetting the transfer case, and sometimes they drive a mile and their dash lights up like a christmas tree. Obviously I just want to be safe rather than roll the dice.

I had the same thought on INPA but of course I'm having a hell of a time getting it to work on my computer.
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      01-10-2014, 07:50 AM   #5
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I have it on a laptop, if I get around to it later today I'll look it up. Based on reading it seems people who have issues with xmas tree do not let the ECU go to sleep before draining the fluid. So it trips a low fluid sensor or something.

But there is more to resetting than just fluid level, I assume like the tranny fluid (on AT at least) age/condition is also part of the model that adjusts how clutches are actuated.
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      01-16-2014, 10:45 AM   #6
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Any luck on being able to do this with the coding software?
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      01-17-2014, 04:38 PM   #7
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Would like to know too
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      01-20-2014, 03:38 PM   #8
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I was told by Pawel Weber that it was possible with the software and cable. Going to be doing it in a week or so. I'll let you know how it goes.
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      01-20-2014, 06:21 PM   #9
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With a bt cable? Or could we use a kdcan cable for this?
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      01-21-2014, 03:44 AM   #10
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Yeah if it could be done with a kdcan cable, that'd be great. My bigger problem is just getting the software set up correctly but thats not a big deal, just knowing that program to use and what thing to reset is the huge thing
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      01-23-2014, 10:10 AM   #11
ranta18
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With the kdcan cable and software you can download to you PC. I have everything, just need help setting it up.
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      01-26-2014, 01:55 AM   #12
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I changed my xfer case fluid as my drivetrain was binding like no other. Fluid change and car drives perfect. No reset necessary. Build 06/06
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      01-27-2014, 01:15 PM   #13
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      01-28-2014, 11:47 PM   #14
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Quote:
Originally Posted by pizza_party View Post
I changed my xfer case fluid as my drivetrain was binding like no other. Fluid change and car drives perfect. No reset necessary. Build 06/06
I would do the reset if you ever have access to DIS or the dealer will do for free. Reset basically tells the car the fluid is new for a calibration, plus future mechanics / owners will know there that it has been changed.

http://www.e90post.com/forums/showth...3#post15352323
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