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X3 E83 (2004 - 2010)
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  #1  
Old 07-20-2014, 06:01 PM
Vileem Vileem is offline
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Front drive shaft help replaced but fluid came out??

Hi, so I just replaced my front drive shaft due to the Ujoint being broke. It was fairly simple but difficult at the same time. When I finally got the bolts off and pulled the front drive shaft out it was attached at the back probably from rust and it pulled out something else before I could pry it off with a screwdriver. However some fluid came out, probably a cup's worth. I am not sure what the fluid is, differential fluid? Tranny fluid? Any help? Car is a 2006 BMW X3 with x-drive and 100k on the dash.
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  #2  
Old 07-20-2014, 06:14 PM
timarnold timarnold is online now
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When you pulled the flange out of the transfer case, you lost some transfer case fluid. It's fairly expensive ~$40/litre, but at 100k miles, if it hasn't already been replaced, it would be a good idea to drain it and refill. This is the Part#: 83220397244.
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  #3  
Old 07-20-2014, 06:44 PM
Vileem Vileem is offline
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Should I be worried it came out? And I think it was leaking before I fixed it. Thanks for the info tho!
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  #4  
Old 07-21-2014, 05:35 AM
swampX3 swampX3 is offline
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change oil

on many vehicles the oil will seep out when you pull a drive or other shaft .......it's a biggish hole .....so good plan is to drain the oil first or if quick you can plug the orifice ......so ......as stated in the previous post a good time to change that transfer case oil is now.....if you're broke you must at least top it off though or risk a big bill .......also change the fill and drain plugs if you have both on your X ......they have o rings pre inserted in the plug sealing face......check the parts ......later models have a combined fill and drain plug so there's only one plug
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  #5  
Old 07-21-2014, 05:38 AM
swampX3 swampX3 is offline
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a good youtube transfer case oil change etc

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  #6  
Old 07-21-2014, 05:45 AM
swampX3 swampX3 is offline
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a good transfer case parts link

put your last seven of your VIN in this link and get your actual vehicle parts nos .....also .......don't get mixed up between the transfer case which is hung on the transmission and the front and rear differentials ......they use two different types of oil......you can get good differential oil in many local stores but the transfer case stuff is not so widely available......they have it on the net and at bmw etc

http://realoem.com/bmw/showparts.do?...18&hg=27&fg=05
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  #7  
Old 07-21-2014, 07:17 AM
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mlukas161 mlukas161 is online now
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When you have a minute would you mind answering a few questions?

Where did you get your new Front Drive Shaft from?
Was the X3 still drive-able with a broken U-Joint?
Did it happen gradually or suddenly?
Can I remove the front drive-shaft and still drive the X3 around?
(I'm assuming no due to the parts that go into the Transfer Case)

The front drive shaft U-joint on our X3 is loose and has some play in it.
No real vibrations though, even at highway speed.
It's a 2004 with 164,000 miles on it.

It's on my list to replace the drive-shaft, but I'm not sure if its risky to drive for another month or so before replacing.

Least expensive new drive shaft I've found has been 550 for a new BMW one.

Thanks.
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  #8  
Old 07-21-2014, 08:24 AM
Vileem Vileem is offline
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Thanks for the Video and links guys, knew where to ask to get the info I needed.

To answer mlukas161 questions see below:
Where did you get your new Front Drive Shaft from? I got mine from: http://www.wholesaleimportparts.com/
Was the X3 still drive-able with a broken U-Joint? Yes still driveable, but it made a bad clunking sound and started to make metal on metal noise when driving.
Did it happen gradually or suddenly? gradually at first then the metal on metal noise came suddenly and knew it was time to replace it.
Can I remove the front drive-shaft and still drive the X3 around? I don't think you can remove it and drive it around, if its just loose and not broke it should be safe to drive for a little while longer, mine was actually broken and you could visibly see it. (I can try and post pics if you would like)

It was fairly easy to replace, the hardest part was breaking the old bolts, they were a little rusted on and were a bia.. to get off, after that the broken u joint blocked one and I had to use a hammer and screwdriver to move it.
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  #9  
Old 07-21-2014, 08:48 AM
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Thanks very much for the info!! I appreciate it.
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  #10  
Old 07-21-2014, 08:54 AM
timarnold timarnold is online now
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Just another note.. The bolts holding the front driveshaft to the transfer case & front differential are angle torque bolts. They should be replaced when you install the new driveshaft.
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  #11  
Old 07-21-2014, 09:22 AM
Vileem Vileem is offline
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Good call timarnold, I just reinstalled the old ones, but they should be replaced. I will need to get some and replace them.
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  #12  
Old 07-21-2014, 09:41 AM
swampX3 swampX3 is offline
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a link for transfer case oil pathways etc

if you take a peek at this y tube you'll see where the drive shaft sits and possible oil leak out pathways

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  #13  
Old 07-21-2014, 06:11 PM
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mlukas161 mlukas161 is online now
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While we're on the topic, does anyone have the torque value for those bolts?

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  #14  
Old 07-24-2014, 03:58 PM
Vileem Vileem is offline
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Would love to know torque value as well...Going back under the car tomorrow to replace fluid.
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  #15  
Old 07-24-2014, 06:10 PM
swampX3 swampX3 is offline
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old pdf but still valuable

Propeller Shaft Complete
1AZ Universal joint to propeller shaft and transmission All M10 8.8 48 Nm
All M10 10.9 60 Nm


http://www.bmw-m.net/techdata/torq/bmw_torq.pdf
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  #16  
Old 07-24-2014, 06:22 PM
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mlukas161 mlukas161 is online now
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Great! Thank you swamp X3!

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  #17  
Old 07-28-2014, 11:10 AM
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mlukas161 mlukas161 is online now
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Just ordered a new BMW front drive shaft. 550 was the cheapest I could find.
Also ordered 8 new torque bolts.

The old drive shaft is getting progressively more loose and loud.
Hopefully it lasts until this weekend.
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  #18  
Old 07-29-2014, 10:12 AM
Vileem Vileem is offline
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I highly recommend changing out the fluid at the same time. Mine was black and full of shiny metal. After replacing the draft shaft and the fluid, all the noise and bump bump from 1-2 and 2-3 is gone.

I used a large syringe to get the fluid in and just drained it out. You need a 5/8 wrench.

Last edited by Vileem; 07-29-2014 at 10:13 AM. Reason: added additional info
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  #19  
Old 07-29-2014, 03:26 PM
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mlukas161 mlukas161 is online now
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Ok, I'll change the fluid as well. I just bought the bmw transfer case fluid so I should be all set. Thanks for the recommendation.

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