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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > Transfer Case Output Flange Failure, Cause Analysis, Prevention, and Repair
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      02-17-2019, 11:55 AM   #45
kdog_x
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The amazon reviews for the 660 show numerous people who applied it and waited 24-48 hrs only to find it wasn't dry. It probably depends on your application though. , most of the reviews are great. It looks like the primer is needed for it to work on magnesium, aluminum, and some other metals. It's also recommended when the temp is cold. I intend to use it, doesnt seem like it could hurt
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      02-17-2019, 01:47 PM   #46
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Seems like the fix could create issue for a related or unrelated TC warranty claim. Damned if you do and damned if you don't. Hopefully BMWNA/AG takes note of your findings and agrees a fix is needed.
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      02-17-2019, 02:51 PM   #47
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Quote:
Originally Posted by AlpineX View Post
Seems like the fix could create issue for a related or unrelated TC warranty claim. Damned if you do and damned if you don't. Hopefully BMWNA/AG takes note of your findings and agrees a fix is needed.
This is true, but really the only way the dealer would know would be to remove the output flange. It seems that the dealers don't actually do this since they don't replace that part. Based on my experience, replacing just the flange wouldn't hold up long anyways, since the mating input shaft should be replaced with it. Not sure if they send the damaged units back to Germany for warranty coverage or what, but it's unlikely anyone would notice until the unit was refurbished.

I don't think anyone with a warranty is likely to slide under the car and mess with it in the first place though.
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      02-18-2019, 02:39 PM   #48
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As this wears, the oil is coming out the splines? Possibly a good indicator?
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      02-18-2019, 06:45 PM   #49
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What had caused me to look at it was the oil, but actually I had thought about it a bit in the last few days, and I had a metallic click noise when shifting from reverse to drive, etc. Makes sense.



Even for people getting this fixed at dealer under warranty, ask them to change the flex disc to the all rubber superseding part number. This should already suppress a lot of the vibrations.
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      02-20-2019, 03:59 PM   #50
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This thread is fantastic, lots of information.

First time poster, new to the bimmer community.
I was thinking on buying a 328xd Wagon but the transfer case issue scared me a bit.

If I end up getting one, I think ill have the Loctite and all rubber giubo done real soon.

I guess the Bilstein B6 will have to wait...
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      02-20-2019, 04:56 PM   #51
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Quote:
Originally Posted by Ciano Station Wagon View Post
I guess the Bilstein B6 will have to wait...
That's OK, they're OOS nation-wide anyways (normal and damptronic) with an "ETA" of late May (if you know anything about Bilstein you know that this "ETA" can't be trusted and will likely get pushed out again). You'll have to import them from Europe if you want them.
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      02-20-2019, 09:55 PM   #52
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I go back in Italy every summer I can buy there and bring back.

But looks like Iíll buy a spare ATC 35L first !
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