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      01-24-2020, 06:59 AM   #23
och
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Quote:
Originally Posted by svt1998gt View Post
i had the issue for a while, finally pulled fuse f92 and the car drives nice. will go for the xdelete instead of fixing it.
So it turns the car into RWD?

Does it also disable stability systems?
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      01-24-2020, 08:09 AM   #24
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Quote:
Originally Posted by och View Post
Quote:
Originally Posted by svt1998gt View Post
i had the issue for a while, finally pulled fuse f92 and the car drives nice. will go for the xdelete instead of fixing it.
So it turns the car into RWD?

Does it also disable stability systems?
No stability track is still active.

The rwd mode in x delete sets the front torque to 0 nm so f/r torque split is 0/100 vs stock 40/60 and the clutch will stay disengaged in the transfer case. But the clutch is still submerged in the oil so watch your temp on the app to be sure your not over heating anything for a bit.

I personally run in sport mode which is a 20/80 split and love it.
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      01-27-2020, 03:02 PM   #25
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Quote:
Originally Posted by peter2772000 View Post
Did you try having the oil changed first?
No. It was obvious to me the TC was shot, new fluid may have just made it feel a bit better briefly, masking the real issue possibly until after my CPO warranty expired... It appears the Dealer agreed with me as they test drove it, felt the 'crabbing', unplugged the TC, drove it with no symptoms, and told me it needed a new TC.
..and I think I got this with about 6 days left on my CPO coverage!
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      01-27-2020, 05:43 PM   #26
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Hey, I would've gladly let them replace my t-case...under warranty. But I'm curious as to how many t-cases would've been resolved with just an oil change and t-case re-adaptation.

The method the tech used to diagnose the t-case as being an issue was/is identical to what others had performed to their trucks. Why on earth would BMW arbitrarily replace a t-case under warranty if they could've resolved it with a simple oil change/re-adaptation?
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      01-28-2020, 07:36 AM   #27
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Quote:
Originally Posted by peter2772000 View Post
Hey, I would've gladly let them replace my t-case...under warranty. But I'm curious as to how many t-cases would've been resolved with just an oil change and t-case re-adaptation.

The method the tech used to diagnose the t-case as being an issue was/is identical to what others had performed to their trucks. Why on earth would BMW arbitrarily replace a t-case under warranty if they could've resolved it with a simple oil change/re-adaptation?
No clue. The crabbing issue is 95% of the time the actuator gear being stripped. I replaced mine for $22 and an hour or two of my time.
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      01-28-2020, 11:06 PM   #28
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I saw a brass gear to replace the plastic one that shreds.
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      01-29-2020, 06:07 PM   #29
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Gotta link to that brass gear?
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      02-10-2020, 01:36 PM   #30
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I have a 2011 X5 xdrive50i that shows the same shuddering/crabbing at slow speeds with a tight turning radius as described above. Also, when accelerating from slow speeds, it seems to 'skip' when changing gears. Was told by the dealer this was the Transfer Case.

Seems like there are a few potential fixes according to this thread:

1) TC Oil Change + Recalibration
2) TC Actuator Gear replacement
3) Full TC Replacement

Any recommendations for which of these are most likely for these symptoms?
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      02-11-2020, 08:59 AM   #31
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Quote:
Originally Posted by willbeing View Post
I have a 2011 X5 xdrive50i that shows the same shuddering/crabbing at slow speeds with a tight turning radius as described above. Also, when accelerating from slow speeds, it seems to 'skip' when changing gears. Was told by the dealer this was the Transfer Case.

Seems like there are a few potential fixes according to this thread:

1) TC Oil Change + Recalibration
2) TC Actuator Gear replacement
3) Full TC Replacement

Any recommendations for which of these are most likely for these symptoms?
The oil change is really easy to do if you have basic hand tools and the 14mm Hex (a T70 torx bit works too, that's what I've been using). Personally, I'd recommend doing the gear, and an oil change+ readapt. You're out less than $100, and it'll take 2 hours to do your first time, max. In the meantime, if you need to drive much, I'd recommend either unplugging the tcase plug (getting lots of warnings) or buying Xdelete, which is the route I went. That got rid of my shuddering until I could fix it.
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      02-11-2020, 09:04 AM   #32
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Quote:
Originally Posted by peter2772000 View Post
Gotta link to that brass gear?
I put in a "reinforced" unit off amazon. Truthfully, I'd rather the gear strips eventually again than the actuator stripping or breaking. planned failure points and all, the gear was cheaper to replace than anything else!

If the original gear lasted that long, and lived 100k miles in Vermont, I see no reason this one will go anytime soon. It's also worth noting that while my original gear lasted 240k miles, I stripped mine while offroading in deep sand/ using lots of articulation and wheel lifts through terrain. My new unit just got pretty abused driving 250 miles through 3-8" of unplowed snow on friday, and at 251k miles is still feeling great!
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      02-21-2020, 12:05 PM   #33
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Quote:
Originally Posted by Spyro235 View Post
The oil change is really easy to do if you have basic hand tools and the 14mm Hex (a T70 torx bit works too, that's what I've been using). Personally, I'd recommend doing the gear, and an oil change+ readapt. You're out less than $100, and it'll take 2 hours to do your first time, max. In the meantime, if you need to drive much, I'd recommend either unplugging the tcase plug (getting lots of warnings) or buying Xdelete, which is the route I went. That got rid of my shuddering until I could fix it.
Thanks, Spyro235. I'll look into the full gear replacement. This would correct the 'skipping' we're experiencing when accelerating out of low gears? Also, what is "readapt"? Thanks again.
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      02-21-2020, 01:12 PM   #34
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In non-specific terms (all I can provide!) it is a calibration routine the computer can tell the transfer case to run, moving the actuator all the way through the range of motion to establish baseline parameters for use. You do this after installing any new parts, or service in order for the unit to know the limits of movement etc so it can operate properly.

Consider it like an 'alignment', but for your TC.
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      02-25-2020, 02:31 PM   #35
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Quote:
Originally Posted by Spyro235 View Post
The oil change is really easy to do if you have basic hand tools and the 14mm Hex (a T70 torx bit works too, that's what I've been using). Personally, I'd recommend doing the gear, and an oil change+ readapt. You're out less than $100, and it'll take 2 hours to do your first time, max. In the meantime, if you need to drive much, I'd recommend either unplugging the tcase plug (getting lots of warnings) or buying Xdelete, which is the route I went. That got rid of my shuddering until I could fix it.
Thanks, Spyro. How similar was the gear replacement repair for your E70 to this video?
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      02-26-2020, 08:42 AM   #36
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Quote:
Originally Posted by willbeing View Post
Thanks, Spyro. How similar was the gear replacement repair for your E70 to this video?
Once the actuator motor is removed- identical. pretty straightforward.

please note that I only have this experience on a diesel, which might be slightly different than the n52 or n55 motors, but should be identical to the to the 50i)

Our TransferCase (TC) is set farther into the subframe, so it's a bit harder to get to, but it's still a simple job with normal hand tools.
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      05-06-2022, 09:59 PM   #37
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Quote:
Originally Posted by HedMan View Post
I have a 2011 E70 (xdrive35i) that came to me with transfer case problems...at slow speeds (parking lots) it would keep the front wheels at the same speed, so would shudder when turning (it is supposed to disengage the front wheels completely at slow speeds).

Changing the transfer case fluid and and resetting the TC adaptations solved it for me.
How does one do this? I have INPA. Is it in there?
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      11-11-2023, 08:23 PM   #38
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So when you pull the fuse the disingage the TC it becomes RWD?
Is there a way to clear the warning? Not that it's a big deal...
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      11-11-2023, 08:30 PM   #39
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Hi,
What is xdelete? Is it simply pulling the fuse to disengage TC? Can you disable the warning? (not that it's a big deal). The car then drives RWD?
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      11-11-2023, 09:28 PM   #40
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Quote:
Originally Posted by henrykd View Post
Hi,
What is xdelete? Is it simply pulling the fuse to disengage TC? Can you disable the warning? (not that it's a big deal). The car then drives RWD?
https://www.xdelete.app/

Lets you decide and change how much AWD.
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      11-13-2023, 08:59 AM   #41
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F07

Quote:
Originally Posted by willbeing View Post
Thanks, Spyro. How similar was the gear replacement repair for your E70 to this video?
Can you advise on F07 TC actuator? are they same/similar to E70?
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      11-13-2023, 09:03 AM   #42
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Xdelete

Quote:
Originally Posted by StradaRedlands View Post
https://www.xdelete.app/

Lets you decide and change how much AWD.
Interesting...
To tell you the truth I am overwhelmed with all this stuff. I wish it wasn't so complicated. I just dont have time and proper garage to fix my own bmw
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      11-13-2023, 08:59 PM   #43
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Quote:
Originally Posted by henrykd View Post
Interesting...
To tell you the truth I am overwhelmed with all this stuff. I wish it wasn't so complicated. I just dont have time and proper garage to fix my own bmw
I feel for you on that... I can rationalize having fancy European cars as I do most of the little stuff, which justifies taking it in for the big stuff. Maybe look at it that way... if you do enough of your own oil changes and brake jobs, you can justify taking it in for a differential rebuild.

The HUGE issue in addition to the cost is finding someone competent that wants to do the work and has the skills and mindset to do it. Dealers and many indys just want to throw parts at it. Smaller shops lack the coding experience/ability to do that. Neither may particularly care about your 12 year old car that you love.

I hope you can get this worked out!

Last edited by StradaRedlands; 11-13-2023 at 09:16 PM..
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