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-   -   Rolled the Dice, Came Up Snakeyes (4f89 Fault) Trans Replacement (https://xoutpost.com/bmw-sav-forums/x5-e70-forum/111815-rolled-dice-came-up-snakeyes-4f89-fault-trans-replacement.html)

crystalworks 07-22-2020 02:17 AM

Quote:

Originally Posted by ard (Post 1188092)
Well duh.


Son, you need to do a better job crafting 'the options'......


:stickpoke

No sh*t. I severely underestimated her love for this truck, while simultaneously overestimating how much she enjoys spending time with me on weekends. :rofl: :D :(

smassey321 07-22-2020 08:04 AM

Sorry you are still having issues. Check LKQ and Row52 in your area. You might get lucky and find a cheap ($150-250) used transmission at the "you pull it" junk yard. The 6HP does not go bad often so there is not a lot of demand. It was used until 2013 in the diesel. And get aggressive with "Make Offer" on ebay. Smart sellers will see that there 40+ for sale and take a few hundred in profit.

crystalworks 07-22-2020 09:50 AM

Quote:

Originally Posted by smassey321 (Post 1188209)
Sorry you are still having issues. Check LKQ and Row52 in your area. You might get lucky and find a cheap ($150-250) used transmission at the "you pull it" junk yard. The 6HP does not go bad often so there is not a lot of demand. It was used until 2013 in the diesel. And get aggressive with "Make Offer" on ebay. Smart sellers will see that there 40+ for sale and take a few hundred in profit.

I'll keep my eyes open, thanks. Problem with the diesel is the trans is specific to it. Uses the 6hp28x. Pretty sure that's a different 6hp than the gassers use.

absolutezero273c 07-22-2020 09:55 AM

That's too bad it didn't work out. Thanks for sharing.


So I may have missed it in all the reading but what are your plans?:


1. Buy and install used?
2. Buy rebuilt?
3. Rebuild existing trans yourself?
4. Have existing rebuilt?
5. Buy used and rebuild so you have a spare?

SF2000x5 07-22-2020 11:42 AM

seems like #1 is the best and most cost effective option if you're going to DIY.

Glad to see used 6 speeds are around 1,000-1,200 on ebay. I had the rear diff go out but thought the transmission went out at the time it wasn't moving in Drive. I didn't think the diff gears were breakable with the 3.0si.

Thanks for keeping us updated. Hoping for the best!

absolutezero273c 07-22-2020 12:56 PM

Quote:

Originally Posted by SF2000x5 (Post 1188221)
seems like #1 is the best and most cost effective option if you're going to DIY.


Yes. I would agree, if money were an issue, I would buy used and install. But if it's doable I would certainly want to have it rebuilt or replace it with a rebuilt. I'd be hard pressed to go through all that trouble of R&R if I wasn't sure it would last me another 100K miles.


Around here no one rebuilds them anymore. I've specifically asked.

They just order one from a rebuild shop. Whether it is a BMW Indy, BMW dealer or trans shop. For that reason I've wanted to consult with ZF, order the parts, and practice rebuilding my own. I've got a spare trans from an old 2003 325xi and a trans from 2001 X5 4.4 laying around that I was planning to do when I get time. But even then I'd have to worry about my trans rebuild skills, since I've never done it before. I am pretty OCD and have faith in my abilities. But it would be peace of mind nice to know someone experienced rebuilt it and to have a warranty behind it.

SF2000x5 07-22-2020 01:28 PM

Though, a transmission, with all the moving components, is never guaranteed to last another 100k unless it's a new car haha I'd expect a used or even rebuilt transmission would last 60k/2-4 years.

In my case with a $4000 X5 4.4 a few years back, I didn't want to spend more than $500 getting the transmission repaired so I got rid of it for $1000.



1. Buy and install used? $1000 and 2 days
2. Buy rebuilt? $1500 + 2 days
3. Rebuild existing trans yourself? doesn't seem like the option here since OP didn't rebuild the valve body

OP $800 or so in, I'd probably grab a used transmission and install it with the rebuilt valve body.Anyway, let's here from him...

absolutezero273c 07-22-2020 01:54 PM

I'd have to disagree on the life expectancy of a rebuilt trans. If using OEM components I would expect it to last 100K. There should be no difference in life expectancy in a rebuild unless the rebuilder is incompetent or uses inferior parts or fluid. I have a rebuilt trans I put in my Ford Excursion at 140K and now have 240K on the clock.



Again, my opinion and personal experience. But agreed, let's wait for input from Crystalworks.

crystalworks 07-22-2020 03:31 PM

I am going to put as low a mileage unit as I can find. Use my rebuilt valve body and egs (egm? Whatever BMW calls the mechatronics computer) in the replacement. Going over the tis it doesn't look like too bad a process, but requires some special tools, and will be tedious. Perfect way to spend a couple weekends. :rolleyes:

Then, at my leisure (or maybe not? Life gets in the way, our house is a constant source of projects) I'll rebuild the old trans and replacement valve body. I didn't rebuild mine because I did not have a spare.

absolutezero273c 07-22-2020 05:27 PM

Quote:

Originally Posted by crystalworks (Post 1188248)
I am going to put as low a mileage unit as I can find.

Sounds like a good plan.


Quote:

Originally Posted by crystalworks (Post 1188248)
...requires some special tools...Perfect way to spend a couple weekends. :rolleyes:

This is how we decide if a project gets done by me at my house. Are the parts and the tools going to cost significantly less than what it would cost to have someone else do it AND how long will it be before my wife sees me again. Which brings me to your other point...



Quote:

Originally Posted by crystalworks (Post 1188248)
...at my leisure (or maybe not? Life gets in the way, our house is a constant source of projects)

This is exactly why those 2 transmissions are still waiting to be rebuilt.


Hope your search for a good low mileage trans is fruitful.


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