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michaelalex17 michaelalex17 is offline
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Default 10-20-2012, 03:52 PM

Quote:
Originally Posted by Boosted-m
I do not have a awd Dyno near bye so if I pulled the fuse would 100% of the power be transferred to the rear wheels?
i believe so but that wasn't the reason i wanted the jb4 to have a rwd option. it would be nice for the dyno but not really why i originally wanted it. having the option to go fully rwd shouldn't even need any explaining.
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(#27)
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Boosted-m Boosted-m is offline
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Default 10-21-2012, 07:43 AM

I like awd action
http://youtu.be/btViXvIDsi0
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(#28)
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Uneedthis2 Uneedthis2 is offline
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Default 10-22-2012, 09:25 AM

I guess Terry isn't interested in this?


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(#29)
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BostonBeemah BostonBeemah is offline
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Default 10-22-2012, 10:58 AM

he said he was but needs an XI near him to test on but not too many people in Cali have XIs for obvious reasons..


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michaelalex17 michaelalex17 is offline
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Default 10-24-2012, 02:41 PM

Quote:
Originally Posted by BostonBeemah
he said he was but needs an XI near him to test on but not too many people in Cali have XIs for obvious reasons..
isnt there an X5 with the same engine as the 335i? would he be able to test it on an X5?
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(#31)
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michaelalex17 michaelalex17 is offline
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Default 11-29-2012, 04:10 PM

bump
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(#32)
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psmitty95 psmitty95 is offline
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Default 11-30-2012, 12:44 PM

Quote:
Originally Posted by michaelalex17
bump
Idk if you've seen this thread on the other forum but it seems like we're starting to make progress with having this done

http://www.e90post.com/forums/showth...444973&page=18


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(#33)
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michaelalex17 michaelalex17 is offline
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Default 11-30-2012, 01:57 PM

sweet thank you
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(#34)
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Default 11-19-2013, 11:33 AM

Any progress on this? Who know?


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Default 11-19-2013, 01:50 PM

No unfortunately not


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dsjr2006 dsjr2006 is offline
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Default 02-15-2014, 09:40 AM

bump
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(#37)
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Default 02-15-2014, 03:19 PM

Subscribed
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(#38)
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drfrink24 drfrink24 is offline
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Default 02-15-2014, 05:35 PM

Now that we have flash capability, perhaps the speed where it disengages could be lowered?
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(#39)
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dsjr2006 dsjr2006 is offline
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Default 02-16-2014, 03:23 PM

Quote:
Originally Posted by drfrink24
Now that we have flash capability, perhaps the speed where it disengages could be lowered?
That's what I was thinking or possibly being able to just send the xdrive module the signal to disengage based on a JB4 setting.
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junotramm junotramm is offline
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Default 11-04-2014, 10:32 PM

Quote:
Originally Posted by michaelalex17
hello, i dont know if this has been covered before or not but i think if the jb4 had a feature to disable the xdrive it would be amazing. to have rear wheel drive performance with the ability to have all wheel drive when needed would be amazing. i know there is a fuse you can pull but that messes up the dashboard lights and makes the windshield wiper go crazy. anyway, terry i think this would be a veryyyyy smart business move if you are able to do something like this. i think a lot more people would buy the tune because even if your not trying to have a lot of boost and everything from a tune it is still nice to be able to have a rwd that switched to awd when needed.
There is ( http://www.youtube.com/watch?v=rS5WznBbuHE ) video on youtube how one guy pulled the xdrive fuse out and enjoying the rear wheel spin. Question is if it is possible to install mperformance elsd in to xdrive rear end?
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(#41)
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Xearo Xearo is offline
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Default 11-05-2014, 07:21 AM

Quote:
Originally Posted by Quebequer
You have to pull both fuses 26 and 50. The fuse 50 is the wipers one, so wipers don't go crazy.
For the rest, speedo, dash lights, you're right, not verry cool to look at.
And I don't know about cobb, but I think it should work since its a flash.
I'm personally not AWD, but just thinking out loud here. Couldn't you just wire up a pair of normally closed relays to break the circuits on those 2 fuses, and use the spare nitrous/external trigger on the JB4 to control when to effectively 'remove' (open circuit) the fuses? The external trigger has a bunch of variables it can look at, so it could be adjusted/dialed in. Also, the dash might go crazy, but should go back to normal when not WOT.

Could be worth looking into.


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Last edited by Xearo; 11-05-2014 at 07:31 AM..
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GuMMiBaEr GuMMiBaEr is offline
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Default 11-10-2014, 04:22 AM

Itīs possible to completely deactivate x-drive without errors with coding.
I thinks itīs the better way...


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(#43)
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ajsalida ajsalida is offline
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Default 11-10-2014, 06:36 AM

Quote:
Originally Posted by GuMMiBaEr
Itīs possible to completely deactivate x-drive without errors with coding.
I thinks itīs the better way...
How? Got a link?
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(#44)
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GuMMiBaEr GuMMiBaEr is offline
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Default 11-10-2014, 06:49 AM

Quote:
Originally Posted by ajsalida
How? Got a link?
It depends on the car you own.
You have to delete X-drive from vehicle order and then recode complete car.
For example on E61 530xi:
- remove $203 from vo
- replace *PV71 to*NK71 in vo
- let car sleep
- drive around
- delete errors

Thats it
Not tried it own my own, but if it works at a german guy.
Will try it on my f31 xdrive when i get my car back from dealer


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(#45)
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ajsalida ajsalida is offline
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Default 11-10-2014, 06:55 AM

Quote:
Originally Posted by GuMMiBaEr
It depends on the car you own.
You have to delete X-drive from vehicle order and then recode complete car.
For example on E61 530xi:
- remove $203 from vo
- replace *PV71 to*NK71 in vo
- let car sleep
- drive around
- delete errors

Thats it
Not tried it own my own, but if it works at a german guy.
Will try it on my f31 xdrive when i get my car back from dealer
OK that sounds painful. Another option is to entirely remove the front driveshaft. Lot of people have done that and reportedly it throws no codes. Probably takes 15 minutes to do it. This is on the e9x platform though, some discussion over on e90post XI section.

There has been a great deal of discussion and folks looking into making a box that turns transfer case on/off and/or locks it at a specific %. Been reading up on it since I got my XI 4.5 yrs ago. All have failed so far, software is very sensitive to messing with either the electronics or the code. I was amazed that folks found removing the driveshaft did not confound the software, have not done it myself though. Pulling the fuse is stupid IMHO.
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(#46)
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drfrink24 drfrink24 is offline
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Default 11-10-2014, 01:14 PM

Quote:
Originally Posted by ajsalida
Another option is to entirely remove the front driveshaft. Lot of people have done that and reportedly it throws no codes. Probably takes 15 minutes to do it. This is on the e9x platform though, some discussion over on e90post XI section.
Link?

Edit **nevermind.. found it: http://www.e90post.com/forums/showthread.php?t=1013708
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lane7873 lane7873 is offline
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Default 11-12-2014, 02:09 AM

Quote:
Originally Posted by Xearo
I'm personally not AWD, but just thinking out loud here. Couldn't you just wire up a pair of normally closed relays to break the circuits on those 2 fuses, and use the spare nitrous/external trigger on the JB4 to control when to effectively 'remove' (open circuit) the fuses? The external trigger has a bunch of variables it can look at, so it could be adjusted/dialed in. Also, the dash might go crazy, but should go back to normal when not WOT.

Could be worth looking into.
What if we hooked up 56 and 20 to the jb4 PLC using the speedometer potentiometer as a trigger for an "IF" condition based upon the voltage? So say whatever the voltage is at 30mph triggers x drive to disengage? Not sure if the speedo works in that manner. I am offshore at work but when I get home I am going to try and rig something up


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Last edited by lane7873; 11-12-2014 at 04:19 AM..
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(#48)
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feauto335xi feauto335xi is offline
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Default 07-25-2015, 04:05 PM

Bored post Resurrection... Anyone ever get anywhere on this? I like the idea of a couple of normally closed relays that can be triggered by an option on the dash with JB4
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(#49)
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DRAMOS DRAMOS is offline
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Default I would really like this! - 12-09-2015, 08:53 AM

No has has been able to disable the awd without pulling the fuses or the driveshaft ??
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(#50)
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Nniftyfour Nniftyfour is offline
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Default 12-09-2015, 10:57 AM

No. Xdrive is controlled by the DSC unit. It's unlikely that well be able to disable Xdrive short of an external piggyback that intercepts and changes the signal while reporting the correct requested signal back to the DSC. Basically a modified JB4 just for the purpose. Terry will never make it though as he has other platforms to give attention to like the S55
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