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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > does the 335Xi have the option to be RWD like an STI?



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      11-26-2012, 01:49 AM   #375
MDRracing13
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Quote:
Originally Posted by Desert-storm90 View Post
I expect something for this very soon. Jeff spent today studying how the XDrive works and from reading and visual, he knows exactly what they are doing.

The electronics would be drastically different than the DCCDPro or ETSPro products but It seems very possible to do.

With that said expect something soon guys.
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      11-26-2012, 08:58 PM   #376
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Originally Posted by Desert-storm90 View Post
I personally need this for my custom proyect. But to have this in production it is solely based in the demand on the market for it.

When I have it working in my car you can see how it functions as I will be tracking it.
bump to show support/interest! Something i really want!!!
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      11-27-2012, 12:53 PM   #377
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Quote:
Originally Posted by shonuff View Post
bump to show support/interest! Something i really want!!!
You arent to far from Guelph, Ontario. If something/product comes together would you let your car be up for trials?

or anyone thats close by, it would help greatly.
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      11-27-2012, 03:48 PM   #378
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You arent to far from Guelph, Ontario. If something/product comes together would you let your car be up for trials?

or anyone thats close by, it would help greatly.
Check PM
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      11-27-2012, 09:29 PM   #379
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Sub'd! Someone figure this out.
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      11-28-2012, 07:35 PM   #380
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Thanks for the support shonuff

It looks like CANBUS is the biggest hurdle, jeff can control this electro-mechanically...it is the interface to the car's ecu that will make it difficult. more info on the xdrive is valuable
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      11-29-2012, 01:04 PM   #381
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i made it to page 8 pr so reading every post then started skimming, but ya if this gets working, majority of us who had to get xis for inclement weather.. will be like
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      11-30-2012, 03:56 PM   #382
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bump
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      11-30-2012, 04:06 PM   #383
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http://www.n54tech.com/forums/showthread.php?t=17380 this was my thread on n54 tech. nothing really new there but figured i'd pool the info together.
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      11-30-2012, 04:15 PM   #384
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We should just start pooling some cash together for this like Kickstarter, should start a poll to see how many members would be interested in the project and give the funds to whomever we deem worthy of the project
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      11-30-2012, 04:16 PM   #385
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Quote:
Originally Posted by fauxdog View Post
We should just start pooling some cash together for this like Kickstarter, should start a poll to see how many members would be interested in the project and give the funds to whomever we deem worthy of the project
I'll throw in the first $100
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      12-02-2012, 01:22 PM   #386
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Kalud (another Canadian on the E90 forums) Provided some usefull info.
Including block diagrams for the communication etc.

it is all do-able, it is simply a matter of development time really.
Jeff can see exactly how he would control the Xdrive motor/current sensor etc.
The difficulty comes in the added functionality of the CANBUS communications.

That takes time, and a lot of logging and analysis. it could be done "half-assed" in no time, but to do it right would take some time. If anybody can do it its Jeff Reid and he's on the job.

Last edited by Desert-storm90; 12-03-2012 at 10:57 AM.
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      12-24-2012, 03:29 PM   #387
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bump
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      12-29-2012, 02:24 AM   #388
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I was ready for bed until I came across this thread, now I feel like a kid again living in the week leading up to Christmas. This would definitely be an AWESOME present.
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      12-29-2012, 09:47 PM   #389
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Didn't anybody think of doing this by coding?

I was just thinking... When items like ex. xenon headlights are added to a car you have to add VO numbers by coding to tell the car which items are installed. Xenon headlights have VO number $522.

4-wheel drive have VO number $203, so maybe removing this from the "vehicle order" will disable the power to the front wheels? I'm not willing to try this on my own car, but I hope that some of you guys can?

Last edited by tonynuuk; 12-30-2012 at 07:44 PM.
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      01-04-2013, 03:20 PM   #390
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bump. any news? There was someone working on this a few months back I thought.
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      01-06-2013, 10:09 PM   #391
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Jeff Reid registered earlier today but he's having trouble getting permission.
Do you guys know if you have to wait or something to gain permission?

Anyway as he can get permission I can tell you, he has made arrangements so that he has time to work on this in a more dedicated manner. He's been studying up on BMW canbus and looking into finding a car with xdrive.

I hope he can find a car with X Drive so he can do some reverse engineering.
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      01-06-2013, 10:41 PM   #392
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Quote:
Originally Posted by Desert-storm90 View Post
Jeff Reid registered earlier today but he's having trouble getting permission.
Do you guys know if you have to wait or something to gain permission?

Anyway as he can get permission I can tell you, he has made arrangements so that he has time to work on this in a more dedicated manner. He's been studying up on BMW canbus and looking into finding a car with xdrive.

I hope he can find a car with X Drive so he can do some reverse engineering.
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      01-07-2013, 07:35 AM   #393
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Hello Guys/Gals,

I got a bit bored yesterday so I started to do some research on the system.
At this point it is just learning etc., but that is where all good things begin.

I'm thinking it would be easiest if I picked up a car with X Drive so I could make some measurements and see exactly what is going on electrically and in regards to vehicle communication. That's not a big deal as I'm looking for a new vehicle anyway so if I can tie it together with some R&D it is a win win situation.

These projects go slow, and they take time to do properly. I know everyone gets excited but the reality is that developing something really good to control this system could take a year.

Kind regards,
-Jeff Reid

Ps. My PM's are blocked until I get three postings so I can't receive anything until I get that out of the way.
Not ignoring anyone...just unable to reply.
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      01-07-2013, 08:58 PM   #394
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Sorry, one more request...if anyone has really "in depth" info on BMW specific Canbus PID's it would advance this much faster.

Off to work on more research...
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      01-28-2013, 06:00 PM   #395
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      01-31-2013, 04:45 PM   #396
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honestly all we need to do is to get terry an xi
And he will take care of it!

So someone in cali go naooo
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