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

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  #26  
Old 07-23-2012, 12:15 PM
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mlukas161 mlukas161 is online now
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Frenchx3, that sounds hopeful. I add a bottle of techron every oil change. So approximately every 6000-7000 miles. It's expensive, but they regularly run sales buy one get one free. I usually stock up. Good luck and keep us posted!
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  #27  
Old 07-23-2012, 12:38 PM
Frenchx3 Frenchx3 is offline
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Originally Posted by swapsafari View Post
FrenchX3,
How did you get to the Bank 2, Sensor 1 ( the one to the rear on passenger side). I have replaced the one on the front but having a hard time removing the oxygen sensro cover on the rear one. How did you remove that cover? Underneath the car? Give me some insight if you can.

Thanks!
Take a look at the picture I posted (above). It shows what I used to get at the rear 02 sensor. I used an 8 inch extension on a slotted 02 sensor socket. It came out very easily. Didn't have to take the strut brace or cabin filter housing out either. I'm not sure what "cover" you're referring to. There wasn't anything in the way of the 02 sensor I removed near the firewall.

Last edited by Frenchx3; 07-23-2012 at 12:49 PM.
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  #28  
Old 07-23-2012, 12:43 PM
Frenchx3 Frenchx3 is offline
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Originally Posted by mlukas161 View Post
Frenchx3, that sounds hopeful. I add a bottle of techron every oil change. So approximately every 6000-7000 miles. It's expensive, but they regularly run sales buy one get one free. I usually stock up. Good luck and keep us posted!
Thanks... I think I'll start running the Techron cleaner through on a regular basis
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  #29  
Old 08-17-2012, 12:20 PM
Cchrono Cchrono is offline
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I took my car to the dealer and had my dme and egs updated and now my car no longer hesitates at all I would give this a try for anybody having this issue cost $236 total all together. My engine light is off now to and is no longer throwing o2 sensor codes.
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  #30  
Old 10-22-2013, 10:07 PM
vwvwvw vwvwvw is offline
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Originally Posted by Frenchx3 View Post
Thanks... I think I'll start running the Techron cleaner through on a regular basis
Hey French, did the Techron really solve your problem in the end? It would be surprising if so, but I'm interested to hear what happened long term.
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  #31  
Old 10-23-2013, 05:56 PM
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halltristan halltristan is offline
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'05 E83 chugging at highway speeds

My x3 does the exact same thing. After extensive research for many months there are some people who have eliminated the problem with a transmission fluid/filter change.

I'm going to do mine sometime in the near future. Perhaps there is someone else who can confirm though in the meantime.


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  #32  
Old 10-23-2013, 06:00 PM
MINI+BMWtek MINI+BMWtek is offline
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Re: '05 E83 chugging at highway speeds

if you do the oil change you have to clear the transfer case values also check wheels... wheel sizes and mismatch brands is been a problem for a long time

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  #33  
Old 10-24-2013, 11:47 PM
vwvwvw vwvwvw is offline
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Originally Posted by halltristan View Post
My x3 does the exact same thing. After extensive research for many months there are some people who have eliminated the problem with a transmission fluid/filter change.

I'm going to do mine sometime in the near future. Perhaps there is someone else who can confirm though in the meantime.


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Is the engine down on power, not downshifting, or something else? I'm trying to understand you're thinking the transmission fluid is playing into the problem.
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  #34  
Old 10-25-2013, 06:41 AM
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halltristan halltristan is offline
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'05 E83 chugging at highway speeds

Quote:
Originally Posted by vwvwvw View Post
Is the engine down on power, not downshifting, or something else? I'm trying to understand you're thinking the transmission fluid is playing into the problem.
The problem lies with the torque converter.


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