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

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  #1  
Old 10-27-2016, 02:03 PM
Alagk54 Alagk54 is offline
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stutter between 1st and 2nd gear and 3rd gear 2006 X3 143k

first time on forum and hope someone can help me .
have 2006 X3 with 143k miles on original transmission and transfer case.
motor was replaced at 116k miles when overheated due to plastic coolant box
cracked and daughter ran too long.
Current problem is I noticed a slight stutter when changing from 1st to 2nd gear and 2nd to 3rd.
no problems after that. felt like transmission slipping so took it to mechanic.
1st one said transfer case need to be replaced $2700 to $3700. could not be rebuilt
2nd one said same thing $2,300 , 3rd one said transmission and transfer case appeared ok and I should buy a new set of 4 approved tires.
From what I can tell no one looked at oil and opened transfer case. before I spend a lot of money on 4 new tires , (currently 2 different brands front vs back all same size) would like to know if there is something less expense I should try first. say change the transfer case oil ? don't understand the physics with the gears stuttering due to 2 different brands of tires of same size and wear( all within 6 month old)
HELP!!!
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  #2  
Old 10-27-2016, 06:08 PM
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saii1 saii1 is offline
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Things to look into

Transfer cases can be rebuilt....most don't like messing with them....first I would look into the transfer case actuator to see if you have that wonderful plastic gear that loves to strip...the gear can be bought seprate

next is the transmission manual or automatic....manual you might need a clutch or have a failing slave cyl...automatic do a complete service.

Transfer case has it ever been serviced? Change the fluid if it hasn't in 143k there are clutches in the transfer case

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Last edited by saii1; 10-27-2016 at 06:11 PM.
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  #3  
Old 10-27-2016, 06:43 PM
dukedkt442 dukedkt442 is offline
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Start with fluid and filter changes. Transmission has a filter.
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  #4  
Old 10-27-2016, 07:53 PM
Alagk54 Alagk54 is offline
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Thanks will start with oil change
And go from there
Any truth about the tire thing?
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  #5  
Old 10-27-2016, 07:53 PM
swampX3 swampX3 is offline
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don't be taken for a ride

transfer case rebuilds are duck soup across many manufacturers....it's a whole 4X4 aftermarket industry

Dear swampX3,

Rustynuts has just replied to a thread you have subscribed to entitled - Transfer case problem - in the X3 E83 (2004 - 2010) forum of Bimmerfest - BMW Forums.

This thread is located at:
http://www.bimmerfest.com/forums/sho...7&goto=newpost

Here is the message that has just been posted:
***************
Dealers tried to pull that $4,000 transfer case PLUS a new set of Michelins ONLY would fix my shuddering on initial acceleration. Can of gear oil and friction modifier, FIXED!

They tried to pull some BS numbers about how the tires had to be PERFECTLY the same wear or it could happen. Even gave me some out of diameter spec to watch for. I then proved to them that my car would have been out of spec off the showroom floor because I have the Sport model with different size tires front/back. I hate messing with dealers.
***************
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  #6  
Old 10-27-2016, 07:59 PM
swampX3 swampX3 is offline
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transfer case parts and refurb link info

https://cobratransmission.com/bmw-x3...0fbc038b06423d


also .....same nominal sizes of tires from different manufacturers maybe different enough in real life to mess up the 4 wheel X drive computations....best to measure them

Last edited by swampX3; 10-27-2016 at 08:00 PM.
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  #7  
Old 10-27-2016, 08:03 PM
swampX3 swampX3 is offline
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TIRES gotta be good !..start with posts 2 and 5 then branch out ....

http://www.bimmerfest.com/forums/sho...36#post9282836
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  #8  
Old 10-28-2016, 02:15 AM
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saii1 saii1 is offline
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It's best to have the same type tires all around..even though there all new and the same size the actual diameter might be diffrent...a perfect example is an 80k mile tire and a 30k mile tire the tred depth is 3x deeper on the 80k tire making the tire slightly larger

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  #9  
Old 10-28-2016, 09:10 AM
dukedkt442 dukedkt442 is offline
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Quote:
Originally Posted by swampX3 View Post
https://cobratransmission.com/bmw-x3...0fbc038b06423d


also .....same nominal sizes of tires from different manufacturers maybe different enough in real life to mess up the 4 wheel X drive computations....best to measure them

Been saying that for years. This is why bmw only uses certain make model and size tires for their staggered set ups, different brands of the same sidewalk size have measured differences that exceed the 1% allowable difference.
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  #10  
Old 10-28-2016, 09:19 AM
dukedkt442 dukedkt442 is offline
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Mein Auto: 08 E83; '86 442; 84 GMC
stutter between 1st and 2nd gear and 3rd gear 2006 X3 143k

Quote:
Originally Posted by swampX3 View Post
https://cobratransmission.com/bmw-x3...0fbc038b06423d


also .....same nominal sizes of tires from different manufacturers maybe different enough in real life to mess up the 4 wheel X drive computations....best to measure them

Been saying that for years. This is why bmw only uses certain make model and size tires for their staggered set ups, different brands of the same sidewalk size have measured differences that exceed the 1% allowable difference. Still not perfect, but good enough to get through the warranty period.
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