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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > Twisted Tuning Transfer Case Mounts



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      03-21-2018, 08:37 AM   #1
olivojoe
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Twisted Tuning Transfer Case Mounts

I am considering getting this for my xdrive as I am about to hit 100k miles and I would assume my OE mount is probably getting worn.

Does anyone know of a good DIY for this, I haven't been able to find one...
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      03-21-2018, 01:21 PM   #2
cortez08
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I just ordered one today. I am hoping it ships sooner than later. The upgrade makes sense to me keeping transfer case alignment straight under power. Hoping it doesn't cause too much vibration or noise.
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      03-21-2018, 03:55 PM   #3
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Quote:
Originally Posted by cortez08 View Post
I just ordered one today. I am hoping it ships sooner than later. The upgrade makes sense to me keeping transfer case alignment straight under power. Hoping it doesn't cause too much vibration or noise.
vibration can ruin your interior panels.. dont do that unless you want your car to sound like a cheap shit inside..

BMW spends millions in research and development to balance comfort quality and performance..
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      04-20-2018, 05:53 PM   #4
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Originally Posted by Pladi View Post
vibration can ruin your interior panels.. dont do that unless you want your car to sound like a cheap shit inside..

BMW spends millions in research and development to balance comfort quality and performance..
I am pretty sure the open dumps out of my 6466 will help with the interior panel noise.
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      05-29-2018, 11:21 PM   #5
Julian2485
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Quote:
Originally Posted by olivojoe View Post
I am considering getting this for my xdrive as I am about to hit 100k miles and I would assume my OE mount is probably getting worn.

Does anyone know of a good DIY for this, I haven't been able to find one...
Did you install these yet how are they any nvh?
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      05-30-2018, 01:41 AM   #6
floydarogers
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Quote:
Originally Posted by olivojoe View Post
I am considering getting this for my xdrive as I am about to hit 100k miles and I would assume my OE mount is probably getting worn.

Does anyone know of a good DIY for this, I haven't been able to find one...
I don't understand what a "transfer case mount" is. The transfer case is mounted directly to the back of the transmission(s). There is no "mount". It's hard surface and some bolts directly against another hard surface (with a gasket).
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      05-31-2018, 03:14 AM   #7
mattgu40
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Quote:
Originally Posted by floydarogers View Post
I don't understand what a "transfer case mount" is. The transfer case is mounted directly to the back of the transmission(s). There is no "mount". It's hard surface and some bolts directly against another hard surface (with a gasket).
There is no Transmisison mounts on the Xdrive, bolted to the bellhousing and the x-case holds the back of the assembly via very soft bushing.

will install my TT solid x-case mount in a few days and will report on NVH.
if im unhappy with the nvh i will simply prime and cast some urethethan in the original mount and hope it will least couple months.
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      05-31-2018, 11:42 AM   #8
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Nvh with the mount insert is too much for me, wish he did poly ones instead like originally planned, had to raise idle and still too much nvh, and revving it gets worse as rpms increase. .I may take it off down the road...
The good: instant neck breaking acceleration and crisp quicker shifts.

Last edited by maximum96; 06-02-2018 at 10:21 AM.
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      06-19-2018, 04:10 PM   #9
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Quote:
Originally Posted by maximum96 View Post
Nvh with the mount insert is too much for me, wish he did poly ones instead like originally planned, had to raise idle and still too much nvh, and revving it gets worse as rpms increase. .I may take it off down the road...
The good: instant neck breaking acceleration and crisp quicker shifts.
After almost 3 weeks, are you still wanting to remove the TT insert or are you able to get over the NVH?

I am kind of on the fence on getting this.
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      06-19-2018, 05:58 PM   #10
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Quote:
Originally Posted by maximum96 View Post
Nvh with the mount insert is too much for me, wish he did poly ones instead like originally planned, had to raise idle and still too much nvh, and revving it gets worse as rpms increase. .I may take it off down the road...
The good: instant neck breaking acceleration and crisp quicker shifts.
Do you think we could get same results with poly mount and what stiffness 70 80 etc
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      06-24-2018, 07:42 PM   #11
maximum96
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Twisted tuning said the R&D for making poly mounts and selling would be to much $$$ and not enough demand to make so he kept costs lower for an all aluminum, the NVH seems to have subsided a little, liveable, but still vibration in steering wheel that I hate...I have bad rear sub frame bushings in rear so that may be contributing to an increased nvh feel, will update when I take care of bushings, not for the faint of heart fix so give me some time
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      08-16-2018, 09:06 PM   #12
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Quote:
Originally Posted by maximum96 View Post
Twisted tuning said the R&D for making poly mounts and selling would be to much $$$ and not enough demand to make so he kept costs lower for an all aluminum, the NVH seems to have subsided a little, liveable, but still vibration in steering wheel that I hate...I have bad rear sub frame bushings in rear so that may be contributing to an increased nvh feel, will update when I take care of bushings, not for the faint of heart fix so give me some time
How does it feel now ?
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