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X3 E83 (2004 - 2010)
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  #126  
Old 02-01-2012, 10:32 AM
cldchc cldchc is offline
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Yes, maybe you're right, but BMW are not God, they make business with replacement component and they know when and how component will wear. They grant work for all employees. Sometimes they are wrong or modify their component to solve some issue.

Thanks
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  #127  
Old 02-01-2012, 10:45 AM
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Dominic49 Dominic49 is offline
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Quote:
Originally Posted by cldchc View Post
Yes, maybe you're right, but BMW are not God, they make business with replacement component and they know when and how component will wear. They grant work for all employees. Sometimes they are wrong or modify their component to solve some issue.

Thanks
you still have failed to say how they were tested, or certified.
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  #128  
Old 02-01-2012, 01:37 PM
dannyy06 dannyy06 is offline
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I just found this company over ebay that sell a service and will refurbish your actuator (ebay item130639752074) for $200 with one year warranty so its much better than
just buying the gear and its in USA not italy. i alrady bought the service. if the gear was less expensive i will go for it... but this is not the case

Last edited by dannyy06; 02-01-2012 at 01:51 PM.
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  #129  
Old 02-01-2012, 02:06 PM
yagermj yagermj is offline
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I have scepticism about the kit using the bronze gear. Cldchc the kits uses another forum members pictures to aid in the sale and not actual pictures of the gear or kit. Your post count is low your also listed as being from Italy, that leads me to believe that you might gain in some way from a sale of the kit. My most worrisome part is you clearly stated you bought and used this part on your x5. On the XOutpost forum you said the kit listed in the auction was yours and you would produce and ship the part and it was tested since 2011. All these things lead me to think this is a scam, if I'm wrong please prove it to me and post the pictures you should have of your kit packaging ,the gear and the instruction.
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  #130  
Old 02-01-2012, 02:07 PM
yagermj yagermj is offline
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"I just found this company over ebay that sell a service and will refurbish your actuator (ebay item130639752074) for $200 with one year warranty so its much better than
just buying the gear and its in USA not italy. i alrady bought the service. if the gear was less expensive i will go for it... but this is not the case"

Please keep us informed of this and what your results are. Do you happen to know what material will be used for the new gear? Thanks

Last edited by yagermj; 02-01-2012 at 02:16 PM.
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  #131  
Old 02-01-2012, 05:04 PM
Supercourse Supercourse is offline
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Quote:
Originally Posted by dannyy06 View Post
I just found this company over ebay that sell a service and will refurbish your actuator (ebay item130639752074) for $200 with one year warranty
I see that the Buy It Now price has just been increased to $250 right after you bought the first service.

Ivan seems to specialize in auto electric repair, and had been offering mainly ABS module rebuilds until starting the actuator side of things.

Will be interesting to hear if the whole unit is worked on and tested rather than just replacing the plastic gear.
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  #132  
Old 02-02-2012, 06:06 AM
angina angina is offline
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so i actually replaced my motor with a new one after trying this fix (as it stopped working after a week). The 3 lights of death went away... so i've been driving for a month now, and I had to disconnect the battery for some reason. When i reconnected and turned on car, the 4X4 and brake lights came back on! what gives! the car drives fine, so not sure why those lights would come back on after I disconnected battery....
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  #133  
Old 02-03-2012, 01:40 AM
ioannis214 ioannis214 is offline
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I've benn reading this fix for some time now, and it's great to know that when i see those dreaded 3 lights at the same time, there is fix around it. However, i've been wondering whether has someone been able to find a replacement chain of the same quality that bmw uses in the transfer case, just to avoid possible worse damages by using a metal one that some people have suggested?

Is it possible that this sort of plastic gear is common to some other application that could become a vheap donor option? I guess those of you that have opened up the actuator might be able to know more or even have been able to track down a serial number that could give us a hint!
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  #134  
Old 02-03-2012, 06:36 AM
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timfitz63 timfitz63 is offline
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Quote:
Originally Posted by ioannis214 View Post
... Is it possible that this sort of plastic gear is common to some other application that could become a vheap donor option? I guess those of you that have opened up the actuator might be able to know more or even have been able to track down a serial number that could give us a hint!
Well, that's the $64,000 question, so to speak...

The exploded parts diagram of the transfer case on RealOEM does not take it down to the level of component parts for the actuator assembly; it just shows that assembly (which, if I'm reading the diagram correctly, also would include the plastic gear in question) as P/N 27107566296 (in the case of my 2007 X3) -- an $800+ part!

Obviously, these plastic gears are produced somewhere for use in the actuator assembly; the fundamental question is: who produces them...? In re-examining the original photos posted by "pburnett," it looks like the actuator assembly may be sub-contracted to Bosch -- or it could just be the motor itself that's built by Bosch... That might be the place to start, though... Ultimately, someone somewhere builds these OEM plastic gears, then supplies them to whomever (perhaps Bosch) builds the actuator assemblies for BMW...

I submit that an appropriate 'kit' to economically refurbish the actuator assembly should consist of:
  • The OEM plastic gear or an equivalent reproduction, if one can be located or produced
  • The metal end plate that covers the gear housing ("pburnett" stated in his original post that it wound up bent and unusable after removal)
  • A fresh supply of whatever lubricant is inside that gear housing (looks like green jelly in "pburnett's" photos)
  • Instructions
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  #135  
Old 02-03-2012, 06:43 AM
nrigroom nrigroom is offline
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A few questions

pburnett: First of all, we can't thank you enough for taking the time to help us with an inexpensive fix to an annoying problem.

I do have a few questions for you. I have the triad of lights, but do not hear any clicking noises after I shut down the engine. My indie guy is running his Chinese "Launch" diagnostic tool, and I am standing by, but he is leaning towards an this actuator issue as the culprit.

1. Do I need a lift for this repair or just a plain old set of ramps under the front wheels will do?
2. You mentioned in the very first post that it is not necessary to take the actuator off to turn the gear 180, but only the motor. How do you take just the motor off? It is not clear to me by looking at the pics...isn't there only one set of 4 bolts...are there two sets of 4 bolts instead - one set to thold the actuator to the car and another set to hold the motor to the actuator?
3. Roughly where underneath the car is the transfer case actuator located? I change the oil on my '04 X3 regularly, so that reference will be very useful.

Thanks very much in advance. We are very grateful to you.
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  #136  
Old 02-03-2012, 10:52 AM
yagermj yagermj is offline
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1a no you might not , depends on your size. I'm 6'3" about 220 lbs and just did it laying on my back in the driveway in about 2.5 hrs.

2a yes there are four bolts holding the actuator to the transfer case and four more holding the motor to the actuator housing.

3a it's on the driver side just short of mid length of the suv. Towards the top of the transfer case.

Some stuff I noticed that might help, the brace that holds the transfer case in place can be loosen on the pass side( support it from under with a floor jack). Drop it about a inch to give a bit more room. Also a ratchet that has a handle that can control the ratcheting action will help remove the bolts easier in the tight confines on top. Finally the bolts are not just a normal bolt style. I believe they have a torx head style. So you would need a female torx socket set(I think I paid 14 bucks)not sure if I named the sockets right but I think the description fits.

Last edited by yagermj; 02-03-2012 at 11:06 AM.
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  #137  
Old 02-04-2012, 10:12 AM
payday140 payday140 is offline
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hello guys this is my first post here! i have a x3 2004 and like everyone here all 3 lights came on. i didn't want to blow 750 on a new one so i took a chance on a used one at the salvage yard from a 2005 with 60k miles 400 bucks with 90 day warranty. before i installed it i opened both up just like pburnett did but i didnt remove the rubber seal!! the gear from the 2005 wasn't that worn out still i took pburnett advice and turned it 180d. i assembled everything back together and installed it myself NO MORE LIGHTS! Having the original worn out gear in my hand it does appear that it only works on one side, that being said im placing it on the hands of a professional gear machinist, buddy of mine! and hoping he can duplicate it by using the good side. as soon as i get the gear back (if he's able to make it) i will post pics of the gear and the assembly process and test it on my car. TO BE CONTINUED...............
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  #138  
Old 02-04-2012, 10:38 AM
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timfitz63 timfitz63 is offline
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Quote:
Originally Posted by payday140 View Post
... im placing it on the hands of a professional gear machinist, buddy of mine! and hoping he can duplicate it by using the good side...
Welcome!

Being a machinist, I suspect that your friend's preferred material of choice would be metal...? If you haven't done so already, I recommend that you go back and review this thread starting with some of the most recent posts (say, begin with #123), and ask your friend if he (or someone he might be able to recommend) can manufacture the gear out of the same material(s) as the OEM gear. This may be an important consideration to protect other components in the drive system/transfer case.

As a machinist, he might be better in helping to replicate the protective cover plate for the gearbox where this plastic gear resides, which reportedly gets bent out of shape when removed to remove/replace the plastic gear.
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  #139  
Old 02-04-2012, 03:26 PM
payday140 payday140 is offline
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timfitz63 I do believe the preferred material would be metal and I did review every post starting with the first. I did take into consideration your point of view regarding the plastic gear vs. a metal one, still this is a risk I'm willing to take. I do understand before I can claim victory this must be put to the test of many roads, landscapes, all types of weather and time. I agree duplicating the gear to the same material is the safest way to go (also working on it). When I did remove the protective cover plate I did not bend or removed the rubber seal, patience is the key in doing the job because it does take a lot of time. I dont recommend for anyone to folllow my foot steps but someone has to step up to the plate and test the metal gear out! (If it can be done
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  #140  
Old 02-05-2012, 09:44 AM
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timfitz63 timfitz63 is offline
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Quote:
Originally Posted by payday140 View Post
timfitz63 I do believe the preferred material would be metal and I did review every post starting with the first. I did take into consideration your point of view regarding the plastic gear vs. a metal one, still this is a risk I'm willing to take. I do understand before I can claim victory this must be put to the test of many roads, landscapes, all types of weather and time. I agree duplicating the gear to the same material is the safest way to go (also working on it). When I did remove the protective cover plate I did not bend or removed the rubber seal, patience is the key in doing the job because it does take a lot of time. I dont recommend for anyone to folllow my foot steps but someone has to step up to the plate and test the metal gear out! (If it can be done
Understood! Keep us posted!
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  #141  
Old 02-05-2012, 11:38 AM
nrigroom nrigroom is offline
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yagemj, thanks so much for your answers.

I put the front wheels of the X3 on the two plastic ramps I normally use for oil changes, and can see the actuator clearly. However, due to the heat shield, brace, and the exhaust system all being in the way, I am having a hard time opening the four torx bolts. I will try putting the brace down on the passenger side as you recommended. Could you please attach a picture or a URL to the "female torx" socket you bought - what size do I need? I think that'll help a lot. Also, how do you remove the electrical connector...I tried "prying" open the tab, but no success so far...

I did change my transfer case oil yesterday but as expected, that did not fix the light triad issue. However, I feel much better now that there's MUCH cleaner fluid in there.
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  #142  
Old 02-05-2012, 09:13 PM
yagermj yagermj is offline
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For the heat shield I removed all the bolts and if I remember correctly I pushed it down a bit and was able to get it out by rotating it to the side a bit and then pull it out. The sockets are called " e torx sockets" they look like normal sockets from the outer case(shell) but have a star patter cut out instead of the normal 6 or 12 point socket. I wish I could remember the sizes but the more I think about it I'm sure the bolts holding the actuator to the transfer case you use the "e torx socket" and the bolts to separate the motor from the actuator you can use a normal torx socket to remove. I'm off tomm and it would only take a second for me to check and get back to you on the sizes.

http://www.amazon.com/gp/aw/d/B000I4...w_d_iv_hi?is=l

As for the clip I honestly don't remember, I must not have had a hard time with it. Maybe once you have it unbolted it will be easier. If the link doesn't work you can google "e torx socket" and it will show them, I'll check the sizes in the am.

Last edited by yagermj; 02-05-2012 at 09:29 PM.
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  #143  
Old 02-06-2012, 05:44 AM
nrigroom nrigroom is offline
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yagermj, thanks again! This forum and it's members are so helpful!

OK - one (hopefully final) question: to do the 180 deg rotation fix suggested by pburnett: do I need to remove the actuator from the transfer case only, or do I need to remove the motor from the actuator only, or both? Also, do I need to remove the electrical connector on both ends?
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  #144  
Old 02-06-2012, 06:53 AM
yagermj yagermj is offline
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Quote:
Originally Posted by nrigroom View Post
yagermj, thanks again! This forum and it's members are so helpful!

OK - one (hopefully final) question: to do the 180 deg rotation fix suggested by pburnett: do I need to remove the actuator from the transfer case only, or do I need to remove the motor from the actuator only, or both? Also, do I need to remove the electrical connector on both ends?
Not a problem at all and I'm glad to help , yes you need to remove the actuator from the transfer case ( the four e torx bolts). Once off you need to separate the motor from the actuator(four normal torx bolts). The reason is to be able to rotate the gear you pull the motor off to disengage the metal spline shaft from the gear. This allows the gear to be spun 180 degrees. If you look at the pictures on page 5 you'll see the motor and spline shaft off of the actuator and the actuator. You spin the white wheel/gear to rotate the gear inside. I'll in box you my cell number. I'm headed to breakfast with my wife then I'll get those bolt sizes for you. The wire harness only needs to be unclipped from the actuator also

Last edited by yagermj; 02-06-2012 at 06:56 AM.
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  #145  
Old 02-06-2012, 08:24 AM
yagermj yagermj is offline
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After crawling back under there I noticed a few things the heat shield has to come off or be moved down. This includes the two braces in the center of the truck(10 mm bolts) the e torx bolt size is e 12 to get the actuator off the transfer case and a t 25 to separate the motor from the actuator.
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  #146  
Old 02-06-2012, 10:37 AM
nrigroom nrigroom is offline
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Thanks!!! I feel much better equipped to attempt this project again next weekend. I think the only challenge I may now face is the removal of the electrical connector.
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  #147  
Old 02-06-2012, 11:17 AM
dannyy06 dannyy06 is offline
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Quote:
Originally Posted by payday140 View Post
timfitz63 I do believe the preferred material would be metal and I did review every post starting with the first. I did take into consideration your point of view regarding the plastic gear vs. a metal one, still this is a risk I'm willing to take. I do understand before I can claim victory this must be put to the test of many roads, landscapes, all types of weather and time. I agree duplicating the gear to the same material is the safest way to go (also working on it). When I did remove the protective cover plate I did not bend or removed the rubber seal, patience is the key in doing the job because it does take a lot of time. I dont recommend for anyone to folllow my foot steps but someone has to step up to the plate and test the metal gear out! (If it can be done
if you can make the gear i will buy one from you and try it... let me know...
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  #148  
Old 02-06-2012, 12:47 PM
yagermj yagermj is offline
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Any news Dannyy06 about the eBay service you found? Do you know what the rebuild gear is made of?
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  #149  
Old 02-06-2012, 12:54 PM
yagermj yagermj is offline
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Originally Posted by nrigroom View Post
Thanks!!! I feel much better equipped to attempt this project again next weekend. I think the only challenge I may now face is the removal of the electrical connector.
I'm sure once the heat shield is out of the way there will be more room to get at it. I think it's just a tab connector( I could be wrong) I think I used a small hook\ pick tool to lift up the tab from the end and pulled it back. Either way without the shield and it unbolted it should be cake.
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  #150  
Old 02-06-2012, 04:33 PM
payday140 payday140 is offline
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Update plastic gear: Today I've gone to different plastic molding companies and all said the gear is made of nylon and that it would have to be made by an injection mold. Two of them turned me down one of them said they can do it, they told me they would charge me $1.50 per gear out of the same material catch is they would charge me another $12,000.00 to make the mold yyyiiikkkeesss!!!! Two more places to go I'll let you guys know how that goes. Metal gear update: still waiting!
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