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  #1  
Old 06-25-2012, 03:46 AM
tobyfg tobyfg is offline
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Location: Chesterfield England
 
Join Date: Jun 2012
Posts: 8
Mein Auto: BMW X3 2.5i Sport
Question Whats with this transfer box issue??

Hi,
New to the forum, new to BMW. Had a 2004/54 X3 2.5i Sport for about a month, and largely impressed. HOWEVER............. snatchy rough gear change, whining at lower revs, and a bit of a howl that I initially thought might be a clutch bearing or similar. Now I read that tyre choice is an issue in terms of transfer box problems. I have the appropriate size 234/45/18 reinforced on, but they are cheap as chips never heard of them before made up name tyres. They were all put on new before I had the car, but all went on the same time. Do I need to worry about tyres as well as the symptoms I currently have????
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  #2  
Old 06-25-2012, 12:06 PM
tobyfg tobyfg is offline
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Location: Chesterfield England
 
Join Date: Jun 2012
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Mein Auto: BMW X3 2.5i Sport
Ok I'm a mong who can't read. Or type. The fitted tyres are 235/50/18. And the BMW specialist has today informed me that the computer has recorded a Transfer case fault in that the oil needs changing. 660 for some new SP01's, 100 for a TC oil change, and all should be well. Shouldn't it???
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  #3  
Old 06-25-2012, 01:56 PM
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tim330i tim330i is offline
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Location: Boston
 
Join Date: Dec 2001
Posts: 5,266
Mein Auto: Ti Silver 03 M3
Sounds like a good place to start. If those are the only issues the car logged in the computer then I'd say that should take care of it.

Tim
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  #4  
Old 06-26-2012, 09:56 AM
tobyfg tobyfg is offline
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Location: Chesterfield England
 
Join Date: Jun 2012
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Mein Auto: BMW X3 2.5i Sport
Thank you Tim. The dealer who supplied me the car a few weeks ago has offered to pay half the cost of the tyres so I feel a tad less aggrieved!
Booked in for the TC oil change this week. I'll keep you posted...............
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  #5  
Old 06-26-2012, 10:17 AM
bigugly fab bigugly fab is offline
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Location: houston
 
Join Date: May 2009
Posts: 361
Mein Auto: Fastest M3 in Tx
If its making growling noises, the oil MAY fix it, but it's doubtful. Even though the tire sizes are the same, even tire WEAR front to rear will cause noises. Are the fronts or rear tires excessively worn to the other set?

Are you getting a 4x4 light or DSC Light on?
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  #6  
Old 06-26-2012, 03:15 PM
tobyfg tobyfg is offline
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Location: Chesterfield England
 
Join Date: Jun 2012
Posts: 8
Mein Auto: BMW X3 2.5i Sport
Fronts and rears have similar tread. They appear to have only been on the car for about 4000miles max. Fronts slightly more worn than the rears of course, but nothing excessive. The car has only done 52k miles at 7.5 years old so I'm hoping for a positive result with the new appropriate rubber an some TC oil. BMW seem to be offering a thicker consistency oil than at the point of manufacture.
We shall see.......
Thanks for all the input.
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  #7  
Old 06-26-2012, 03:16 PM
tobyfg tobyfg is offline
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Location: Chesterfield England
 
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Mein Auto: BMW X3 2.5i Sport
Sorry forgot to mention, no dash lights. Yet.........
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  #8  
Old 06-26-2012, 04:10 PM
bigugly fab bigugly fab is offline
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Location: houston
 
Join Date: May 2009
Posts: 361
Mein Auto: Fastest M3 in Tx
the transfercase oil has not changed viscosity in the Xdrives that I know of, its still the same stuff as its always been.
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