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7 Series - E65 / E66 (2002 - 2008)
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  #1  
Old 08-03-2014, 09:31 AM
Serbio Serbio is offline
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Location: Chicago
 
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Mein Auto: Bmw
E66 transmission mechatronic or just solenoids?

Hey guys,i need and advice.My 2007 750li has had a tranny problem since tha day i bought it.Rough shiffting,jerking ...etc.
I did replace guibo joint and it was better but still not as it soppouse to be.I went to my guy in indy shop who takes care of all my cars,he did the oil change and it was good for couple of days but back to jerking again.
My question is,since he told me its probably mechatronics,can i fix this by replacing solenoids only?


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  #2  
Old 08-03-2014, 04:00 PM
rippjd rippjd is offline
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Mein Auto: '05 745i / '10 X5 35d
Failing solenoids should log a fault code. You can check their resistance after you remove the mechatronics assembly.


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  #3  
Old 08-04-2014, 09:26 AM
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A B Able Truck A B Able Truck is offline
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Mein Auto: 2006 550I (N62TU) V8
Some good info;

https://s3.amazonaws.com/sonnax-dev/...AutoChoice.pdf

http://www.bimmerfest.com/forums/sho...d.php?t=788295
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Last edited by A B Able Truck; 08-06-2014 at 02:42 PM.
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  #4  
Old 08-06-2014, 10:57 PM
W1P30U7 W1P30U7 is offline
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Mein Auto: BMW E65
Sounds like an issue an I had last year on New Years eve. Car started with jerkins, then car just gave out all of a sudden and transmission fault message came. It was bad, the whole transmission had to be replaced after it was found that the transmission fluid had metal shards! Check on transmission oil and make sure it has been changed timely.
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Old 09-11-2014, 02:54 PM
fratan fratan is offline
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Mein Auto: 2006 750i
Do you still have the problem? Did you check to see if any tranny fluid is leaking? If there is than replace the mechtronics sleeve and while your at it replace the seal adapter between the tranny and mechtronics unit.


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Old 09-12-2014, 09:26 PM
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A B Able Truck A B Able Truck is offline
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Found an interesting write up with good pointers;

http://www.bimmerfest.com/forums/att...hmentid=341641

http://www.bimmerfest.com/forums/sho...467&highlight=

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Last edited by A B Able Truck; 09-12-2014 at 09:37 PM.
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