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X3 E83 (2004 - 2010)
Talk about the E83 BMW X3 in this forum!

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  #351  
Old 10-28-2013, 04:50 PM
Supercourse Supercourse is offline
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Quote:
Originally Posted by Recasal View Post
But what cause this damage?
I don't think we know for sure.

One theory discussed here previously is that when you turn your X3 off the actuator resets itself.
After a time, that resetting wears one particular part of the gear.

And that's why when you have a worn area you hear a clicking sound on shutdown.

Turning the gear 180 deg. in theory selects a new area of the gear for that repositioning to take place.
But I don't think that has been proven beyond doubt for the long term.

Another theory is that although you would expect the usual operating wear to be spread over 360 deg. by the Law of Averages, sometimes Murphy's Law prevails.
If one area starts to get more worn, maybe that causes it to be more susceptible to accelerated wear.
So some owners may end up after 200K miles with even wear of that gear, while others will have to get it replaced as early as 100K miles.

Finally, mismatched tire tread depth has been suggested as the cause in that xDrive (and thus the actuator) is working overtime or compensating in a manner it was not designed for.
That seems quite plausible to me.
We just need the people who have had the problem to identify whether there has ever been significantly mismatched tire tread depth on their E83.

Some owners have admitted to even having completely different tire brands F to R or even L to R on their X3.
Not sure if actuator problems inevitably follow from that over time.
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  #352  
Old 10-28-2013, 06:17 PM
Recasal Recasal is offline
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In my personal case
My tires car have the problem all the itime that loose air level I don't understand yet why but this go with the theory of working overtime
Know I hope to take more care of the air level to avoid this damage again

Thank you for your reply Supercourse
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  #353  
Old 10-29-2013, 04:01 AM
Alance Alance is offline
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Mein Auto: BMW X3 E83 3,0d
I had a problem with deflating tyres. Tyre deflated but it was not punctured, problem was rust and dirt on the inside of the alloy wheels and because of that air was slightly leaking. so I needed to put tyres out and clean all dirt and rust on inside of wheel.
After that I had no problems with deflating tyres. But I think because of deflating tyres my acutator had extra work and gear needed to be changed....
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  #354  
Old 11-06-2013, 01:06 PM
Fatzio Fatzio is offline
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Hi can anyone help me with an issue with my 2009 x 3 2.0 D. I left the car at the airport for 2 weeks and when i returned it started ok but when i moved away the 4x4 light came on and the vehice vibrated violently on turns. I managed to limp it home and then searched your forum for known faults etc. I read dannyy06 threads re his idrive servo issues and decided to look at the servo on mine. I stripped it and found the teeth were ok, i turned the gear 180 degrees and built it back up. The car drives fine now but the light is still on and i'm not sure if its driving in four wheel drive! Read the fault codes and i've got:-

53FC VTG Transfer, supply control unit terminal 30.
5F3A DSC, transfer case malfunction.




Anyone got any ideas?
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  #355  
Old 11-06-2013, 05:06 PM
Recasal Recasal is offline
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Fatzio
I think Your problem is the same actuator that we talk here
Before decide to make the change i rotate my actuator and have THE same simptoms in the turns because THE four wheel activate and make problem for drive
So your actuator have any damage too?
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  #356  
Old 11-07-2013, 01:07 AM
Fatzio Fatzio is offline
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Recasal
The gear was not damaged but i rotated it anyway. When i put it back together and drove it the bad vibration/loss of traction on turns was cured its just the light stays on and im not not sure its working in 4 wheel drive!
Incidentally the front tyres are almost worn out and the backs are just under half worn!
I posted this on a new thread and mr bean suggested i get busy with a wiring diagram and multimeter as 53FC code is the supply to the unit. I will let you know how i get on. Thanks.
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  #357  
Old 11-13-2013, 06:26 PM
Recasal Recasal is offline
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Hi friends i receive THE actuator gear and put in my CAR but something is wrong Maybe because i have THE light yellow 4x4 on and i put THE diagnosis to my x3 and show my error 539e
But all THE other 4 lights shut off so Im trying to understand now what is wrong
When we put THE actuator first we conect and see if THE system work and all Ok but when i mounted in THE CAR THE light 4x4 still on

So friends all advice is acepted

Any idea?
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  #358  
Old 11-15-2013, 05:11 PM
Recasal Recasal is offline
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Quote:
Originally Posted by StickyDonkey View Post
UPDATE: Tried to get the sensor off without taking off the actuator, but it was a bit difficult as there isn't much space to get the torx screw off, so took the plunge and pulled out the Actuator. Had to pull the support beam down to get more space, then it wasn't too bad, for an old IT office man anyway

Once out, swapped the sensor. Now, my previous mechanic that had pulled it off, I don't know what he did in terms of turning or moving the cog around, so marked it and pulled the motor off and peered into the hole... WELL, that little black cog inside was VERY badly worn... wish I had taken a pic, but anyway.... So, did the 180 degree while peering inside the hole still and the grease inside on the "new" side was still new. It was green or blue, too tired to remember, but still new. Popped the motor back on and then the fun started... getting that damn stuff back on was a bitch! Getting the Actuator back in wasn't too much of an issue, getting the top torx bolts tightened was a tad tough. Getting the support beam/cross member back in was the problem... until I realized that I hadn't held the transfer case up high enough, so it was slunk lower and holding the support beam down a bit which didn't feel like it because i could push it up flush with the body, but the bolts just wouldn't take, and i'm like a big guy, tight under the car, arms through and under and over stuff... it was getting a little frustrating... then lowered the jack slightly and the bolts went in fine....

Anyway, long story short (sorry), once everything was back on, and no extra parts left over, i started her up and NO 4X4 LIGHT!!!!!!!!!!!!!!! WHOOOHOOOOO Took her for a spin around the neighborhood and couldn't get the lights on... VERY HAPPY!!! THANKS "PBURNETT"!

If I could do this anyone can!

First mechanic said the Actuator needs replacing, stealership quoted equivalent of $1600 for a new actuator... Gearbox specialist quoted $1500 to recon the transfer case... Although I bought a new Actuator sensor/resister, for $55, as per the errors we saw on the GT1, I doubt it was that, but still WAY better than $1500

Sorry for the VERY long post...
Hello sticky donkey
I hace THE same problem that You have months before
I already change THE gear of my actuator and THE lights go off but THE 4x4 still on there
So this is my question to You friend
You can tell me when You refer to a sensor in THE actuator that You change, is Maybe this?
http://www.bmwpartsweb.com/Part-Numb..._E095124A.aspx

Thank You for your kindly reply
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  #359  
Old 11-17-2013, 12:35 PM
Fatzio Fatzio is offline
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Hi Recasal
Sorry i didn't get back to you sooner with an update on my problem. I found the actuator control unit under the floor panel in the boot area (in front of the battery/spare wheel compartment) and found a fuseable link in the wiring to the unit, i replaced the blown fuse and the 4x4 light went off! Perhaps your car has the same fault?
Hope this helps.
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  #360  
Old 11-17-2013, 06:10 PM
Recasal Recasal is offline
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Thanks fatzio
Tomorrow i will check this i hope this could be
Let You know inmediatly i have an aner
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  #361  
Old 11-19-2013, 11:37 AM
Recasal Recasal is offline
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fatzio
let me know which of this fuses yo change and how you know are damaged
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  #362  
Old 11-19-2013, 12:39 PM
Supercourse Supercourse is offline
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Fatzio is referring to the little black box in front of the big silver one in your 3rd. pic.

Those fusible links in your first two pics. are for things other than the transfer case actuator.
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  #363  
Old 11-19-2013, 12:49 PM
Recasal Recasal is offline
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Oooo lol
Thanks i Will check because i dont find them before Ok
I Will check them
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  #364  
Old 11-20-2013, 07:57 AM
Recasal Recasal is offline
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Hello Supercourse

I was cheking in the car but i dont find other black case than this in the photos
this is located between the battery and the compartiment where is located the silver one

so please let me know if are any other and where is it

Thank you sorry im trying to fix this
but i see my actuator is not working well i have the 4X4 turned on and many people tell me that i have to change the servomotor
but i already change the gear
i hope i can fix this
i see that other person have this problem before and he say he change the sensor of the actuator
but im not sure if this sensor is the same resistor on this page

http://www.bmwpartsweb.com%2FPart-Nu...13849628979366

so im trying to fix
thank you friend
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  #365  
Old 11-20-2013, 07:59 AM
Recasal Recasal is offline
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sorry this is the page

http://www.bmwpartsweb.com/Part-Numb..._E095124A.aspx
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  #366  
Old 11-20-2013, 10:03 AM
Supercourse Supercourse is offline
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So the black plastic in front of the silver box is just a wiring connector? Not sure where Fatzio found a fusible link but he implies it was in that area.

Maybe in-line with the wiring going into that black plastic connector?

Not sure StickyDonkey was talking about replacing the resistor that you linked to. That is on the actuator and gives the code 54C8 when faulty.

This is for a X5 but same box: http://www.xoutpost.com/bmw-sav-foru...-resistor.html

The code for "oil wear" in the VTG (transfer case) is 54C6 and I presume that resistor is involved in resetting the adaption values when new fluid is put in.

Possibly he was referring to the resistor as a sensor because that is its purpose - but I don't see that you need to change it without knowing you have that code stored.

Best to keep looking for that fusible link to check it.
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  #367  
Old 11-20-2013, 10:53 AM
Recasal Recasal is offline
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Ok Supercourse
I Will study how check those fuses and i Will let You know
They are differents Than other so i dont know how to settle if are damaged

Thank You i let You know
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  #368  
Old 11-25-2013, 01:17 PM
Fatzio Fatzio is offline
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Hi Recasal
Apologies for not being back in touch but i've been away for a few days. The fuse i was on about is in the wiring that goes to the control unit, but it is not (on my car) located in the battery compartment, it is under the panel that is in front of the battery compartment. There are three black plastic clips that hold the panel (boot floor) down, remove these lift the panel and it should be there. If you can't find it let me know and i will take some pictures.
Good luck
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  #369  
Old 11-25-2013, 06:54 PM
Recasal Recasal is offline
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Hello Fatzio
Im not sure please first see if any of THE pictures i put here before, Maybe show THE place or if is posible post a photo

Thank You a lor
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  #370  
Old 12-02-2013, 03:47 AM
yoyopasnet yoyopasnet is offline
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motor actuator transfer case

a big thank you for PBURNETT this trick works very we did everything to make it spin and XDRIVE reacts to 1/10th of a second.
so my problem motor actuator transfer case is solved and I éconnomiser € 700.
a big thank you
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  #371  
Old 12-03-2013, 02:22 PM
Fatzio Fatzio is offline
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Hi Racasal
I can't attach the pictures i.ve took for some reason, if you send me your e mail address i will send them to you. Of your pictures the bosch unit looks like mine but mine has a in line fuse to it, perhaps yours has a fuse in a fuse box in the rear compartment?
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  #372  
Old 12-10-2013, 01:38 PM
enjoydriving enjoydriving is offline
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Thinking here may be the more suitable thread.

My transfer gear box actuator gear finally broke down last week. The car has only done 4 years 46K kms mainly start stop city driving. Ordered aplastic gear and spent 4 hours to install it. All 4 warning lights gone afterwards.

I've noticed the 4 wheel drive light is no longer flashing when driving through some leaves and the tire is slipped slightly, don't know whether is normal.

The second thing I've noticed is the quality of this plastic gear. The OEM gear has PA66 CF30 printed on it, that means using Nylon 66 with 30% carbon fibre. The replacement gears available in the market are various. Some are white nylon with glass fibre, some are PA66 GF30---black Nylon with fibre glass, some are the same as OEM. It's interesting Odometer Gears claims their ones are made of high temperature Nylon (HTN) with carbon fibre. I am not sure what type of high temperature Nylon they are using, RTP4485, PA6T or PA9T? This will make sense if this gear is truly made of HTN as the PA66 can only continuous working on 110 C with melting temperature 260 C and PA9T has melting temperature 305 C which will bring the operating temperature up 30 degrees. The 30 degree increase will make a big difference to the gear's reliability considering the temperature near the transfer box can be high as it's close to the exhaust.

Another thing I can think of is the gear is made of carbon fibre so overall it's strong but against the abrasion of the worm gear, it may not be. In the good old day, metal gears have to be chemically heat treated to make the skin hard to against the abrasion but the core remain soft so it won't be brittle. Bronze gear may be harder but may wear out the worm gear quicker. So it's a hard balance to select the right material. For the moment I can see the best thing we can do is to pick a better Nylon carbon fibre gear and make sure the lubricant is at its best--- I used Superlube synthetic grease with PTFE.

Does anyone know what HTN the Odometer Gears gear is made of?
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  #373  
Old 12-10-2013, 04:46 PM
Grabby544 Grabby544 is offline
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Transfer Case Actuator potential free fix!

Enjoydriving, you must be a plastic aficionado. That is the most elaborate plastic breakdown I've ever heard... Totally good to know! Perhaps some manufacturers are blowing smoke with the " high temp gear replacement"


Sent from BimmerApp mobile app
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  #374  
Old 12-10-2013, 05:01 PM
enjoydriving enjoydriving is offline
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Hi Grabby 544

Almost every X3 or X5 owner will encounter this transfer gearbox actuator gear failure issue so it pays to dig out a more reliable solution. Furthermore, comparing the intensive labour to get out and put back the actuator , the cost of gear is nothing so getting a better than OEM gear replacement is a must.

Last edited by enjoydriving; 12-10-2013 at 05:11 PM.
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  #375  
Old 12-13-2013, 09:34 AM
BMW-X3 BMW-X3 is offline
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Quote:
Originally Posted by Recasal View Post
Hello sticky donkey
I hace THE same problem that You have months before
I already change THE gear of my actuator and THE lights go off but THE 4x4 still on there
So this is my question to You friend
You can tell me when You refer to a sensor in THE actuator that You change, is Maybe this?
http://www.bmwpartsweb.com/Part-Numb..._E095124A.aspx

Thank You for your kindly reply
Hi guys, I already change the gear on my X3 transfer actuator and all the lights still on (4x4 ABS Brake) and now when I start to drive the car I feel a constantly BUMP on the transfer.
Do I need to change the sensor/resistor? Thanks for your comments.
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