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#61
11-27-2012, 06:43 PM
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Why is it important to "line up" the shafts after removal? Since I am putting in new shafts both front and rear, wondering how I do this? Thanks.
__________________
2002 X5 4.6is - Titanium Silver / Black Alcantara - Dinan Stage 2 - Bilstein/Eibach - Brembo BBK ----SOLD--- 1993 318i - Brilliantrot / Tan - bone stock daily driver 
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#62
11-27-2012, 07:56 PM
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Hey darks,
Just a guess, but, I think the drive shafts are "balanced" from factory. This applies to re-installation of the the old shafts (mainly the two rear drive shafts).I always make an alignment mark on mine if I have to remove them. Unless the splines are keyed, you may want to take the new ones to a shop to get them balanced if it hasn't already been done by your parts/rebuild source. I say do it right since your putting the effort forward. It might be overkill, and others can comment. Its a small radius, rotating mass, but if its off by alot, could drive ya nuts with vibration and all and work against all the fine work your doing.
__________________
2005 X5 3.0, 6MT, Alpine White on Truffle Brown, Sport, Preim, and Cold Weather, Alpina Stainless Headers, AFe Intake, UUC SSK, OEM 87's, 3.64 Differential Swap,Performance Modified Euro 2 Tune, UUC LTW Flywheel and HD clutch, Bilstein B12 Suspension kit  Future mods ZHP/Schrick Cam Shaft upgrade, Operation code name:Doppelschrauben-Kompressor Wife's Ride: 2011 e70 X5 351 M///Sport. Also in the fold: 2004 X3 3.0, 6MT, Black Sapphire on Terracotta, port, Premium, Cold Weather.
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#63
11-27-2012, 08:25 PM
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Well I did confirm that my rear shaft will be fully balanced.
Front shaft is coming from Cobra so I'm assuming that one is balanced too. I did mark the old shafts and the TC and front and rear diffs. Those marks so me no good with new shafts, right? As long as I'm not getting vibration then I can assume all is well?
__________________
2002 X5 4.6is - Titanium Silver / Black Alcantara - Dinan Stage 2 - Bilstein/Eibach - Brembo BBK ----SOLD--- 1993 318i - Brilliantrot / Tan - bone stock daily driver
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#64
11-27-2012, 08:44 PM
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Quote:
Is the rear shaft coming with the intermediate bearing installed? If not, and you pull it apart to install the bearing, make sure you scribe the spline connection so it goes together exactly in the same orientation as when you split it, (to maintain the correct balance). I've screwed this up on a repair many years ago, and it did not seem to matter, (no vibrations), but it's supposed to be balanced as a unit, (I marked it with a magic marker...and accidentally wiped my marking off before reassembly).
__________________
2014 BMW 328i Xdrive 2011 BMW 335i M-Sport 2008 BMW X5 4.8i Sport 2000 BMW 528i 5sp
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#65
11-28-2012, 09:31 PM
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So I am thinking about reassembly. I want to make sure I don't fuck this up.
Do I need to worry about resetting anything, computer wise? Is there a break in procedure for a new TC? Anything else I should worry about?
__________________
2002 X5 4.6is - Titanium Silver / Black Alcantara - Dinan Stage 2 - Bilstein/Eibach - Brembo BBK ----SOLD--- 1993 318i - Brilliantrot / Tan - bone stock daily driver
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#66
11-28-2012, 10:06 PM
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Quote:
__________________
 4.8is 2004 imola red 4.8is 2005 Black on Black - DINAN/2 sold 4.4 2004 X5 2003 330xi 2008 328xi - sold 4.4 2000 X5 - sold
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#67
11-30-2012, 10:42 AM
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Hopefully this is the last question I have to ask you guys.
Received my package from Cobra in 3 days... Nice! But, my output shaft has a nice sized nick in it, right on the bearing. Is this ok or should I do an exchange? Due to shipping, exchanging it would mean my truck is down another week... Extremely frustrating considering all of the remaining parts are here and ready to be installed. Pic... 
__________________
2002 X5 4.6is - Titanium Silver / Black Alcantara - Dinan Stage 2 - Bilstein/Eibach - Brembo BBK ----SOLD--- 1993 318i - Brilliantrot / Tan - bone stock daily driver
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#68
11-30-2012, 11:22 AM
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Dude call Cobra and ask them if this would be an issue. Tell them that you are paying mechanics to put this in. You do not want to pay them to do the work twice. If they say they will replace, ask for expedited shipping.
What does that nick come in contact with once assembled?
__________________
2006 4.8is, Black on White. SOLD Sniff Sniff. 2017 F85 x5m, Black on Red. BEAST MODE "The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain Unlock OBC post 5
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#69
11-30-2012, 01:25 PM
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I spoke with Omar at Cobra. He asked to send him a picture, which I did just now. He said if it is defective then he will send me a new part right away and include a box and shipping label for returning the old one. He apologized for any inconvienience, and insisted it must have been damaged in shipping. With the way they were wrapped in bubble tape, I don't see how that is possible. In my opinion he sent me a bad part.
Either way, the truck is down for another week.... Life goes on. Maybe I can get those new LED tails installed this weekend.
__________________
2002 X5 4.6is - Titanium Silver / Black Alcantara - Dinan Stage 2 - Bilstein/Eibach - Brembo BBK ----SOLD--- 1993 318i - Brilliantrot / Tan - bone stock daily driver
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#70
11-30-2012, 02:19 PM
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Quote:
__________________
2006 4.8is, Black on White. SOLD Sniff Sniff. 2017 F85 x5m, Black on Red. BEAST MODE "The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain Unlock OBC post 5
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