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  #81  
Old 11-20-2021, 11:04 PM
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Quote:
Originally Posted by crystalworks View Post
Teaser pic... I'll have a full recount of the weekend's work which culminated in the below.

Attachment 80317

We put ~70 miles on the truck today.
So what's the verdict... transmission all good, shifting properly? Did you simply reset the adaptations? I know my scantool has an option for transmission service including "mechatronic replacement" and I would think something like that would be needed as well.
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( E46, 2001 330xi, 5 spd -- Bought @ 105k, Sold @ 143k )
( E83, 2004 X3, 6 spd - Bought @ 83k, Sold to FIL @ 120k )
Current --> E70 2007 X5, 4.8i - Bought @ 98k

Last edited by jcarpfishman; 11-20-2021 at 11:57 PM. Reason: Re-read thread, updated questions
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  #82  
Old 11-20-2021, 11:38 PM
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Quote:
Originally Posted by jcarpfishman View Post
So what's the verdict... transmission all good, shifting properly? Did you simply swap the mechatronic over (sorry if it was covered, been a while since I was in this thread) and reset the adaptations?
New trans drives and shifts perfect. Yes, swapped rebuilt valve body and original EGS computer into replacement trans and all was good. Resetting the adaptations was a little sketchy as the shifts were a bit harsh and it fail-safed once. But after about 20 miles there hasn't been any issues.

Still need to bookends the thread but no time...
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  #83  
Old 11-20-2021, 11:49 PM
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Quote:
Originally Posted by crystalworks View Post
New trans drives and shifts perfect. Yes, swapped rebuilt valve body and original EGS computer into replacement trans and all was good. Resetting the adaptations was a little sketchy as the shifts were a bit harsh and it fail-safed once. But after about 20 miles there hasn't been any issues.

Still need to bookends the thread but no time...
Did you rebuild your new trans ?
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  #84  
Old 11-21-2021, 12:17 AM
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Quote:
Originally Posted by crystalworks View Post
New trans drives and shifts perfect. Yes, swapped rebuilt valve body and original EGS computer into replacement trans and all was good. Resetting the adaptations was a little sketchy as the shifts were a bit harsh and it fail-safed once. But after about 20 miles there hasn't been any issues.

Still need to bookends the thread but no time...
Glad to hear it's shifting properly!! These things are awesome to drive when they function properly.

Please bookend it as time is available, but I totally get it. I've been working a lot of extra time at work due to ongoing testing, so it's been hard to get to the backlog of items that I know have needed done. I've slowly spent time working through my car issues and it's taken like 6+ months to get to some of it. With respect to my situation, it has slowly developed to where I'm taking mine to a transmission shop within the next week or so & I'm not driving it until I take it there. Buckle up, Buttercup:

Eventually took my car to a local euro shop to bleed brakes properly after I replaced the master cylinder & booster; while it was there they gave it a quick once-over and casually gave me a quote for $6,874.74 worth of needed work... . $3,330 of that quote was for front axles, $1,700 for new tires + TPMS, $800 for front tension struts, $230 rear sway bar links, and a partridge in a pear tree. They apparently didn't even see the obliterated outer CV boot on one of the rear axles while they were checking it over that I've known about for a year (even have a used set of rear axles in the garage from a 30k mile donor car).

I had spoken with a local transmission shop prior to this about my shifting issues and his big suggestions were to ensure tire rolling diameters were roughly equal & that I didn't have flaky wheel speed sensors as these cars can be very finicky about that PRIOR to assuming I had internal transmission issues.

Tires were an obvious quick one... didn't realize my rear tires were so worn. Ended up switching to a square setup with 18" winter rims with new tires as the rims had been sitting in the garage for a while and noticed a BIG improvement in overall shift quality for a few weeks and then it slowly got worse again. Decided that it made sense to hit the other suggested mechanical stuff as well. Changed the transfer case fluid, swapped the actuator gear (looked exactly like yours, some wear but certainly not a lot), reset oil change & transfer case adaptations. Replaced the front axles with OE myself, as well some other suspension pieces on the front, put in the rear axles, sway bar links, etc. Fun fact: check your front right spring as apparently it's a semi-common issue for them to snap towards the bottom; I found mine snapped while I was working on everything else . Ordered a replacement set of springs. REALLY looking forward to changing that soon, as I don't want to damage my extremely expensive adaptive struts in the process.

Anyways, did all that and things got a little better in some shifts and certainly worse in others. The overarching issue I've been having over the last month or two is when slowing down, the car is bucking a bit as it downshifts from 2-1 just before coming to a complete stop, as though it's not fully disengaging the torque converter or something. Noticed just yesterday that if you hammer it in 4th, there's a small flare too before picking up speed. I don't know if this has just manifested itself or that I've been hyper-sensitive to shift issues recently, but it could have been there all along.

Like you listed in your original posts, I'm betting my E-clutch is bad, in addition to other bushing wear. I honestly feel like my shifting is bad enough that I am not daily driving it anymore until I get it into the shop. The kicker is that I've got axles on order for my beater and a box of engine & transmission mounts that I was going to do before daily driving it while the X5 gets checked out. With how bad it shifted on me Thursday and Friday, I don't feel like I can wait any longer to have a proper diagnosis done.

The weirdest part about all of this is that I still have yet to get any transmission codes indicating faults, but it absolutely does not shift right.
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( E46, 2001 330xi, 5 spd -- Bought @ 105k, Sold @ 143k )
( E83, 2004 X3, 6 spd - Bought @ 83k, Sold to FIL @ 120k )
Current --> E70 2007 X5, 4.8i - Bought @ 98k

Last edited by jcarpfishman; 11-21-2021 at 12:17 AM. Reason: Typo
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  #85  
Old 11-21-2021, 12:24 PM
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Quote:
Originally Posted by deepblonde View Post
Did you rebuild your new trans ?
No, did not rebuild it. Only had ~88k miles on it so I assumed the internals would be good. Just threw my rebuilt valvebody and EGS into it. I did use the lower mileage torque converter too as it came with the trans.

Quote:
Originally Posted by jcarpfishman View Post
The weirdest part about all of this is that I still have yet to get any transmission codes indicating faults, but it absolutely does not shift right.
Yeah, trans problems suck as it takes all the confidence out of the vehicle. What mileage is yours at? What are you using to scan the EGS?
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)


2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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  #86  
Old 11-21-2021, 01:46 PM
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Quote:
Originally Posted by crystalworks View Post
Yeah, trans problems suck as it takes all the confidence out of the vehicle. What mileage is yours at? What are you using to scan the EGS?
100% agree regarding confidence, feels bad man. Sitting at 120k miles right now.

I've got a Schwaben scan tool, which is just a rebranded Foxwell NT510 scanner. I can get to the EGS and see BMW specific codes, so it's not a matter of not having visibility.

I'm just torn now between dropping $3,500+ at a shop to keep my original transmission in the car or grabbing a lower mileage one and essentially doing the exact same thing you've just done. Searching this morning, I found an 80k mile transmission on eBay for $1,000 shipped and it is the exact same model number as mine, so swapping the mechatronic is all that would be needed. Add a new starter, some mounts & other miscellaneous odds and ends and I'm probably $1,500 all in to do this myself.

I know your project took significantly longer than originally planned... what were the key drivers in that (other than the DPF removal)? Did the actual process of removing and installing go relatively quickly? You mentioned keeping the torque converter lined up while installing was a bear... any tips?
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--------------------------------------------------------------------------
( E46, 2001 330xi, 5 spd -- Bought @ 105k, Sold @ 143k )
( E83, 2004 X3, 6 spd - Bought @ 83k, Sold to FIL @ 120k )
Current --> E70 2007 X5, 4.8i - Bought @ 98k

Last edited by jcarpfishman; 11-21-2021 at 02:02 PM. Reason: More info
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  #87  
Old 11-21-2021, 08:50 PM
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Quote:
Originally Posted by jcarpfishman View Post
I know your project took significantly longer than originally planned... what were the key drivers in that (other than the DPF removal)? Did the actual process of removing and installing go relatively quickly? You mentioned keeping the torque converter lined up while installing was a bear... any tips?
The biggest challenge is having 2 young kids, homeschooling, and having parents who are at that age when I am helping them more and more. Just did a full brake job on my Mom's QX70 yesterday and hung a new ceiling fan for her last week. My Dad's 535d comes in for a front end refresh during the Thanksgiving break.

But vehicle wise... yeah the DPF was a HUGE pain. On a 50i or 35i I could have the trans out and in over a weekend. Oh, also the waiting for parts. There was a ton of "while I'm in there" going on so that eats up a bunch of time. Finding a suitable trans took 8 months too. It all adds up.

On yours, are you sure you don't want to start with the 4 tube seals, bridge seal, and a fluid change (Valvoline Maxlife multivehicle)? Made my 4.8is shift like a brand new transmission. I had been driving around the 2-1 slam for years. Now I don't even think about the trans. If the seal service doesn't fix it you could then progress to a valve body rebuild. And then lastly replace the trans. Could save you a bunch of time and money. I had no codes on the 6hp in the 4.8is either and did the trans service at about your mileage (~123k if memory serves).

The torque converter is just hard to keep engaged on the input shaft of the trans while you are maneuvering it all back onto the engine. There is bottom access that helps if you remember to check it while mounting everything. I did not and had to back the bellhousing back off. Also, you 100% need a trans jack.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)


2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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  #88  
Old 11-24-2021, 08:49 AM
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Quote:
Originally Posted by crystalworks View Post
The biggest challenge is having 2 young kids, homeschooling, and having parents who are at that age when I am helping them more and more. Just did a full brake job on my Mom's QX70 yesterday and hung a new ceiling fan for her last week. My Dad's 535d comes in for a front end refresh during the Thanksgiving break.

But vehicle wise... yeah the DPF was a HUGE pain. On a 50i or 35i I could have the trans out and in over a weekend. Oh, also the waiting for parts. There was a ton of "while I'm in there" going on so that eats up a bunch of time. Finding a suitable trans took 8 months too. It all adds up.

On yours, are you sure you don't want to start with the 4 tube seals, bridge seal, and a fluid change (Valvoline Maxlife multivehicle)? Made my 4.8is shift like a brand new transmission. I had been driving around the 2-1 slam for years. Now I don't even think about the trans. If the seal service doesn't fix it you could then progress to a valve body rebuild. And then lastly replace the trans. Could save you a bunch of time and money. I had no codes on the 6hp in the 4.8is either and did the trans service at about your mileage (~123k if memory serves).

The torque converter is just hard to keep engaged on the input shaft of the trans while you are maneuvering it all back onto the engine. There is bottom access that helps if you remember to check it while mounting everything. I did not and had to back the bellhousing back off. Also, you 100% need a trans jack.
I hear you man, sounds like we're in very similar boats: I've got 3 young kids, my wife working her job from home while I'm in the office doing 8-8 right now, house projects, car projects, etc. I get myself slammed as I insist on doing practically all the work myself, but I'm *almost* to the point where I've got to start farming some items out lest I drown in unfinished projects.

In my situation, I started with bridge + tube seals & new ZF solenoids, fluid change (LifeGuard 6) and new pan. That helped for a while, but it eventually went back to its old ways. Next logical step was valve body rebuild, which I had done by the same folks you used. Again, some parts of shifting were better, others went back to the way they were before. In the last 6-9 months, the 2-1 slam showed up and is getting worse. As I mentioned before, I also replaced the front axles (bad outer joints), rear axles (torn boots) & put new tires on, so I've hit almost all of the mechanical things that factor into shift quality that are exterior to the transmission. This all leads me to believe the issues are the common bushing wear internal to the transmission and that there's not much else to do but fix it properly.

Up until about a week ago, I was ready to take it to a shop and "prepared" to shell out the $3k+ to have mine rebuilt. Your thread & experience has led me to try the same thing as I'm not out that much if it doesn't work: I just sourced an 80k mile transmission from an E70 with the 4.8 for $950 shipped. According to the pictures, it is the same ZF model number (1068 050 009) as mine, so I believe I'll be able to just put my valve body in and go.

I now have to decide if I want to just pay a shop to swap it for me or tackle it myself. I have buddies with a QuickJack & transmission jack that I can borrow from and my garage is heated too... just have to make room. Annnnd convince my wife to give me a solid weekend to hit this without distractions. If I do the job, I will also plan to put in a new starter, guibo & likely change the transfer case mount as well.

At the end of the day, if this doesn't pan out, then my transmission is at least out of the car and I'm only out about $1k. I can then either have someone rebuild it that I trust (such as Gary Ferraro in NY) or I can stupidly start another project myself.

Regardless, I appreciate your willingness to document your journey, it's helped out a ton.
__________________
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( E46, 2001 330xi, 5 spd -- Bought @ 105k, Sold @ 143k )
( E83, 2004 X3, 6 spd - Bought @ 83k, Sold to FIL @ 120k )
Current --> E70 2007 X5, 4.8i - Bought @ 98k
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  #89  
Old 11-24-2021, 09:56 AM
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I appreciate threads like this. Hoping I won't need the info for a long time. So far, with about 168k miles, I can only remember two odd occurrences: while stopped at a traffic light, it felt like it shifted from second to first after I was stopped. I've serviced the transmission twice: pan/filter/fluid at 118k miles and just fluid at 167k miles. Adaptations reset both times and no flushing. Got a DDE tune around 100k miles. I've no complaints so far. Started calling around to see if anyone would be able/want to replace the bridge seals, Mechatronics sleeve, or swap out a valve body and have been told flatly 'no' every time. No one even wants to replace/swap a whole transmission. I plan to keep looking and just enjoy driving it. It's still a nice truck that gets compliments today and I know two people who would give me a good amount of money for it if I wanted to sell.
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  #90  
Old 11-24-2021, 01:36 PM
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Quote:
Originally Posted by jcarpfishman View Post
I hear you man, sounds like we're in very similar boats: I've got 3 young kids, my wife working her job from home while I'm in the office doing 8-8 right now, house projects, car projects, etc. I get myself slammed as I insist on doing practically all the work myself, but I'm *almost* to the point where I've got to start farming some items out lest I drown in unfinished projects.

In my situation, I started with bridge + tube seals & new ZF solenoids, fluid change (LifeGuard 6) and new pan. That helped for a while, but it eventually went back to its old ways. Next logical step was valve body rebuild, which I had done by the same folks you used. Again, some parts of shifting were better, others went back to the way they were before. In the last 6-9 months, the 2-1 slam showed up and is getting worse. As I mentioned before, I also replaced the front axles (bad outer joints), rear axles (torn boots) & put new tires on, so I've hit almost all of the mechanical things that factor into shift quality that are exterior to the transmission. This all leads me to believe the issues are the common bushing wear internal to the transmission and that there's not much else to do but fix it properly.

Up until about a week ago, I was ready to take it to a shop and "prepared" to shell out the $3k+ to have mine rebuilt. Your thread & experience has led me to try the same thing as I'm not out that much if it doesn't work: I just sourced an 80k mile transmission from an E70 with the 4.8 for $950 shipped. According to the pictures, it is the same ZF model number (1068 050 009) as mine, so I believe I'll be able to just put my valve body in and go.

I now have to decide if I want to just pay a shop to swap it for me or tackle it myself. I have buddies with a QuickJack & transmission jack that I can borrow from and my garage is heated too... just have to make room. Annnnd convince my wife to give me a solid weekend to hit this without distractions. If I do the job, I will also plan to put in a new starter, guibo & likely change the transfer case mount as well.

At the end of the day, if this doesn't pan out, then my transmission is at least out of the car and I'm only out about $1k. I can then either have someone rebuild it that I trust (such as Gary Ferraro in NY) or I can stupidly start another project myself.

Regardless, I appreciate your willingness to document your journey, it's helped out a ton.
Sorry, missed that you had done all that already. As a last resort, I would drop the ZF LG6 and refill with Valvoline Maxlife Multivehicle. Then reset the adaptations and see how the trans reacts. Worth the $40 experiment.

Quote:
Originally Posted by josiahg52 View Post
No one even wants to replace/swap a whole transmission. I plan to keep looking and just enjoy driving it. It's still a nice truck that gets compliments today and I know two people who would give me a good amount of money for it if I wanted to sell.
Hope it serves you well for many more miles. You've got a fair shot having serviced the trans at 118k.

Doesn't surprise me no one wants to touch it. People are scared of the ZF transmissions in European vehicles. They're in other things too, but shops hear a Euro marque and get scared.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)


2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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