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

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  #276  
Old 08-17-2014, 12:54 PM
fastm3 fastm3 is offline
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Location: Wilmington, DE
 
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Mein Auto: 2005 X3
Quote:
Originally Posted by swampX3 View Post
with access to a lift this job is 1/2 to 2/3 of one day

we once installed a ford transfer case in the airport parking lot in New Orleans .....4 of us just off the plane from from Alaska ......kids bought over two jacks/4 stands and oil/tools ......took 2 hrs......!

I've seen many actuators installed in 30 mins....the dealer shop hrs have no reality basis

also ....dyall need the actuator motor or just the gear
Thanks again for all the links and info, swamp.

With regard to the actuator, I thought all that sometimes goes bad is the gear (which costs only about $30), but I'll leave that to people who know more than I do. One question though - once the transfer case is opened up, is it straightforward to access and replace the actuator gear?
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Past BMWs:
1983 320i
1987 325
1996 M3 (ED)
1998 M3 Cabrio (ED)
2002 530i (ED)


Current Cars:
2005 X3 (ED)
2006 Mini Cooper Cabrio
2006 Porsche 911 Cabrio
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  #277  
Old 08-17-2014, 01:01 PM
swampX3 swampX3 is offline
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Mein Auto: X3 and 330
gear etc

another good generic transfer case tear down for you



you are correct about the gear ......it's quite easy to replace ....lots of good vids etc on diy.....here's an 05 X5 generic .....nearly identical to yours

http://www.youtube.com/watch?feature...&v=3xEJbpVupuw

Last edited by swampX3; 08-17-2014 at 07:04 PM. Reason: add link
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  #278  
Old 08-17-2014, 01:14 PM
swampX3 swampX3 is offline
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Location: New Orleans
 
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Mein Auto: X3 and 330
a good x3 actuator vid

some good pointers in this but he didn't know about the replacement plastic gear ....shows the value of this fest

also shoudda pointed out that the actuator with the pesky gear is planted on the outside of the transfer case so it's very very easy to pop off if the case is out of the X or if it's still on the vehicle and you lower the support as he does in the video


Last edited by swampX3; 08-18-2014 at 06:10 AM. Reason: added snippet of info
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  #279  
Old 08-17-2014, 01:17 PM
swampX3 swampX3 is offline
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Location: New Orleans
 
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Mein Auto: X3 and 330
a good actuator plastic gear company

this is the known quantity nylon / carbon fiber reinforced gear .....yer pays yer money and yer takes yer chances !.....there are other makes on flea baby etc.....but best be sure of what you buy


Last edited by swampX3; 08-17-2014 at 01:25 PM. Reason: mo info
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  #280  
Old 08-17-2014, 07:03 PM
swampX3 swampX3 is offline
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Mein Auto: X3 and 330
transfer case top bolts

some good vid of the top bolts that are hidden from view when you're under the X

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  #281  
Old 08-29-2014, 09:56 PM
fastm3 fastm3 is offline
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Duplicate post!

Last edited by fastm3; 08-30-2014 at 09:54 AM.
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  #282  
Old 08-29-2014, 09:56 PM
fastm3 fastm3 is offline
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Mein Auto: 2005 X3
Just had the chain, the actuator motor gear and fluid replaced, and am glad to report that the dreaded clunk is GONE! According to my indy who did the job, the chain was loose, but the old gear seemed OK.

A BIG THANKS to Swamp for all the info and tips!!
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Past BMWs:
1983 320i
1987 325
1996 M3 (ED)
1998 M3 Cabrio (ED)
2002 530i (ED)


Current Cars:
2005 X3 (ED)
2006 Mini Cooper Cabrio
2006 Porsche 911 Cabrio

Last edited by fastm3; 08-29-2014 at 09:57 PM.
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  #283  
Old 08-30-2014, 07:23 AM
swampX3 swampX3 is offline
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here's wishin

a darn good outcome ....here's wishing you another 50,000 miles with no problems !
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  #284  
Old 10-03-2014, 10:18 AM
lovemotorbikes lovemotorbikes is offline
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Location: york UK
 
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Mein Auto: 04 3.o x3
transfer case

hey steve, any further news on the noises from the transfer case, mine has that very noise when going over a bump at low speed, rgds dave
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  #285  
Old 11-14-2014, 04:21 PM
mchaney mchaney is offline
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Mein Auto: X3
X3 transfer case noise

It sounds like I have had better luck. My 2006 X3 176k miles and I started hearing the noise
in 1st and 2nd about 5k miles ago. My local Mechanic has told me to keep driving it, he's heard worse.
I still love the car, thinking of having it fixed and letting the kids drive it around town.
Is it worth having them rebuild this?
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  #286  
Old 11-24-2014, 03:46 PM
BMW-North BMW-North is offline
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Location: Toronto
 
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Mein Auto: 325ci;330i;330xi;325xi,x3
Hi - Great thread - I spend most of my time on "the other forum" but I've read through this thread as I'm picking up a used X3 for my wife. I've owned a couple AWD BMW's going back to my first one - a 1989 325iX - I used to keep a spare transfer case for that thing - ha ha. I had an X5 for a couple of years without any transfer case issues fortunately, but I'm preparing for them with this X3.

When I test drove this (new to my wife) X3 I paid close attention to any noises or issues with the 4x4 - seemed ok. No error lights and the shifting and driving was smooth. The car salesman went into shock when I floored it half in a snow drift at about 40 mph as I wanted the xdrive systems to engage.

After the test drive I told the dealer I wanted to run my diagnostic on the vehicle and all the modules were clear with the exception of the VTG which showed an Oil Abrasion Error. Since I had not seen that error with any of my prior BMW's I searched online and ended up at this thread.

After reading through the thread I understand what I need to do with this used X3 which is approaching 100k. I'm hoping that the trans oil has been replaced at least once before I do it now ( lack of maintenance records). I will use my DIS to reset the adaptation values. I'm prepared to replace the plastic gear and chain but will wait till after doing the oil & adapt. reset to see.

Do folks here who have replaced the TC chain and sprocket see this as a preventive maintenance job or as a reactive repair job to appearing symptoms (chain knock - trio light etc.)? Should I wait till it acts up or do it prior?

Lastly - I saw quite a few posts here where folk were unsure how the X-Drive worked and how it differed from prior BMW AWD systems (myself included) I know none of my prior vehicles e30, e46 (X5 excepted) had a VTG module that required resetting so I've attached a BMW training document that does a good job explaining the Xdrive system.
Attached Files
File Type: pdf 10_xDrive_DSC.pdf (1.34 MB, 79 views)
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  #287  
Old 11-25-2014, 07:08 PM
kma90 kma90 is offline
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Mein Auto: 05 bmx x3
I have an 05 x3 with over 150000 miles on it and it started to make a grinding/howling noise. I took it to bmw and they told me my gaskets are leaking on my transfer case, I do have a warranty but unfortunately it doesn't cover gaskets and its going to cost me $1200 to fix it. I called another bmw shop and they said they've never heard of such thing and I shouldn't ever have to have those gaskets replaced and the transfer case is completely sealed. Does anyone have any idea what else this could be in the transfer case or has anyone ever had to replace them?
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  #288  
Old 12-02-2014, 06:19 AM
UberXY UberXY is offline
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Mein Auto: 00 M5
OK, here's a slightly different take on the xfer case.

My wifes '08 automatic had a set of Pirelli Scorpions with about 7k miles on them. One front tire was damaged on a trip, so she bought two new front tires. When she returned home she said "the brakes are clunking when I come to a stop". Which meant to me the transfer case was thunking. When I drove it, there was a pretty good thunk in the last few feet when coming to a stop

I swapped the new fronts with the 7k rears, and the thunking is gone. Is the AWD system in the X3 so sensitive that it is bothered by 7k miles difference in tires good for 40k? Normally I buy four tires at a time, but I couldn't see throwing away all four low mile tires to replace one damaged one.

BTW I had an MB G500 that had a crappy plastic gear in the xfer case. It rotated as a check item on start up. If it did not rotate correctly, the computer would not engage the starter. No one sold spares - you had to buy a new actuator motor. Fortunately, the gear only rotated 90 degrees, so only a quarter of the gear was worn out. The free fix was to take the gear off, rotate it 180 degrees, reinstall, and drive another 50k miles.
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  #289  
Old 12-02-2014, 06:24 AM
christoforos christoforos is offline
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Mein Auto: BMW X3 mpack 3.0si
Yes the Xdrive system is very sensitive even if you have different tires/air/brand etc. Trust me I changed 2 times Xdrive and the fallt was by the tires!!!!!!
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