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  #11  
Old 06-09-2015, 07:35 AM
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This is a great write up. Thanks for this. I am new to BMW's and I am learning quite a bit here.
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  #12  
Old 07-03-2015, 03:20 PM
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Ok, my 2 cents here...
Last week I replaced my TC oil and was dark, not black (Oh, sorry!... 2007 X5 4.8i 96K), and today just did the rear differential and it was colored as mud... ughh!!!.. for next week will be my transmission oil.... I never trusted my SA when he said that BMW fluids were lifetime... No way...! overall my X5 feels smoother than before, after next week I need to take the X5 to the dealer to reset the adaptations for transfer case and transmission...
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  #13  
Old 07-03-2015, 08:57 PM
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Quote:
Originally Posted by guscavalieri View Post
Ok, my 2 cents here...
Last week I replaced my TC oil and was dark, not black (Oh, sorry!... 2007 X5 4.8i 96K), and today just did the rear differential and it was colored as mud... ughh!!!.. for next week will be my transmission oil.... I never trusted my SA when he said that BMW fluids were lifetime... No way...! overall my X5 feels smoother than before, after next week I need to take the X5 to the dealer to reset the adaptations for transfer case and transmission...
Any DIY write up for us 4.8 guys? Thanks, Sam
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  #14  
Old 07-03-2015, 11:25 PM
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Sam, Just gimme some time and I'll make one, but in which one are you interested? Front Diff, Transfer case , Rear Diff or Tranny?
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  #15  
Old 07-03-2015, 11:30 PM
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Quote:
Originally Posted by guscavalieri View Post
Sam, Just gimme some time and I'll make one, but in which one are you interested? Front Diff, Transfer case , Rear Diff or Tranny?
All four would be nice. Maybe even making your own thread. Thanks, sam
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  #16  
Old 08-03-2016, 12:16 PM
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X5d 2011 diff service

Bringing this thread back to life as I'm going to do my diffs and TC fluids soon. Has anyone tried the Turner diff service kit that comes with seals and dust covers along with the gear oil? Go to turnermotorsports.com and search on p/n 33117695240KT1.
Edit: now that I am off the phone, i can pop the URL in here: https://www.turnermotorsport.com/p-3...-kit/undefined

Wondering if those things should be replaced at the same time and how difficult it would be to do the seals? One thread said the diff seals are not replaceable - never heard of that, but I would not be shocked...

Last edited by m3buzz; 08-03-2016 at 12:54 PM.
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  #17  
Old 04-19-2017, 08:17 PM
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Quote:
Originally Posted by guscavalieri View Post
Ok, my 2 cents here...
Last week I replaced my TC oil and was dark, not black (Oh, sorry!... 2007 X5 4.8i 96K), and today just did the rear differential and it was colored as mud... ughh!!!.. for next week will be my transmission oil.... I never trusted my SA when he said that BMW fluids were lifetime... No way...! overall my X5 feels smoother than before, after next week I need to take the X5 to the dealer to reset the adaptations for transfer case and transmission...
I didn't think the E70 X5 required the reset for the transfer case
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  #18  
Old 02-17-2019, 04:29 PM
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Just attempted this service last night. I wasn't able to get the trans case fill plug off. I only had a socket Allen wrench and it didn't cut very easily. I loosened the support bracket and pushed it back 1/2-1" but it wasn't enough. I ended up just sucking out what I could with my fluid transfer pump. Same for diff (there is no drain plug, stupidly). Both were below the full level by a good bit (1"?). The fluid I removed was amber, not clean but not dirty. I was able to get 1/2 liter of new fluid in each so I feel good. Better than nothing. I used Liquimoly GL5 75w-90 for both transfer case and rear diff.
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2012 X5 35D - EGR delete and Stage 2 tune
2003 M5 - Imola/Caramel, Dinan S2 suspension, Alpha-N tune
1990 M3 - CF Airbox, Alpha-N, Schrick 284/276 cams, VAC S2 head, full GC suspension
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Retired: 1999 328is 5MT, 1994 525i 5MT, 2003 530i 5MT, 2012 X3, 2006 325i 6MT, 2001 M5
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  #19  
Old 02-17-2019, 06:48 PM
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Quote:
Originally Posted by Alpinerunner View Post
Just attempted this service last night. I wasn't able to get the trans case fill plug off. I only had a socket Allen wrench and it didn't cut very easily. I loosened the support bracket and pushed it back 1/2-1" but it wasn't enough. I ended up just sucking out what I could with my fluid transfer pump. Same for diff (there is no drain plug, stupidly). Both were below the full level by a good bit (1"?). The fluid I removed was amber, not clean but not dirty. I was able to get 1/2 liter of new fluid in each so I feel good. Better than nothing. I used Liquimoly GL5 75w-90 for both transfer case and rear diff.
Youíre a braver man than I for using that oil in your t-case... definitely not the correct fluid.
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  #20  
Old 02-17-2019, 07:04 PM
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Quote:
Originally Posted by Entropy View Post
Youíre a braver man than I for using that oil in your t-case... definitely not the correct fluid.
Pretty sure thatís what FCP Euro specified. But like I said, I only changed 0.5L. Iím thinking about getting a 14mm allen wrench to cut and drain the fluid fully. Iíll do that with proper fluid
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2012 X5 35D - EGR delete and Stage 2 tune
2003 M5 - Imola/Caramel, Dinan S2 suspension, Alpha-N tune
1990 M3 - CF Airbox, Alpha-N, Schrick 284/276 cams, VAC S2 head, full GC suspension
1991 M5 - Black/Black - stock
1991 325iX - Winter beater

Retired: 1999 328is 5MT, 1994 525i 5MT, 2003 530i 5MT, 2012 X3, 2006 325i 6MT, 2001 M5
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