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

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  #1  
Old 09-17-2012, 08:17 AM
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mscamp mscamp is offline
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Location: Central Illinois
 
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Mein Auto: 2011 X3
SES Light

SES light came on during acceleration. I have been using Shell Premium and Shell only. Tried Mobil premium just recently. Any correlation?
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2011 X3 - Purchased BMW of Peoria, IL October 6, 2012 - Deep Sea Blue/Oyster/Sienna - CWP1, CWP2, TP, PP, CP, PDC.
2006 X3 - Purchased BMW of Peoria, IL September 10, 2007 - Black/Black
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  #2  
Old 09-17-2012, 08:22 AM
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mscamp mscamp is offline
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X3 is running great. 20 city / 25-6 highway. Starts great. Secondary air pump recently replaced.
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2011 X3 - Purchased BMW of Peoria, IL October 6, 2012 - Deep Sea Blue/Oyster/Sienna - CWP1, CWP2, TP, PP, CP, PDC.
2006 X3 - Purchased BMW of Peoria, IL September 10, 2007 - Black/Black
2006 330i Purchased BMW of Peoria, IL October 12, 2005 Arctic Met/Beige
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  #3  
Old 09-17-2012, 12:35 PM
ghpup ghpup is offline
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SES lights can come on for various reasons. One, that I've experienced on an E39 and thought I had on my '07 X3, is a situation where the gas cap is not properly sealed. Check to ensure the gas cap is seated well and that there are not any issues with the seal. This tends to occur after fill-up so perhaps there is a correlation. Check the gas cap for proper seal. If the SES goes away that was it. Otherwise...it may be time to take it in....
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  #4  
Old 09-20-2012, 03:30 PM
Sonoman707 Sonoman707 is offline
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Under acceleration load stuttering/cut outs - very likely an O2 sensor. Took mine a while to throw the SES light. I actually triggered it by totally flooring the accelerator and holding for a few seconds the next time I encountered the stutter while merging on a largely deserted freeway.

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  #5  
Old 09-20-2012, 07:27 PM
bostongrun bostongrun is offline
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Most likely not an O2 sensor!! It has nothing to do with your oil or gas!! maybe the gas cap

An o2 Sensor adjsuts fuel trim and does repsond fast enough to cause hesitation.

Go to Autozone or Oriely they will read the code for free. So at least will know what you are up against.

Hesitation can be caused by a failing throttle position sensor, a vacume leak or umeterd air entering the intake behind the Mass Air Flow Sensor like a crack in the hose running to the throttle body.

Hesitation could also be caused by low fuel pressure.
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  #6  
Old 09-21-2012, 05:52 AM
x3brian x3brian is offline
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The SES light is tied to all emissions components so all ideas above are possibilities (you could throw in spark plugs). Any ODBII reader will give you the Pxxxx code of the area to do deeper root cause analysis...not the failed part.

The only one I doubt is the gas cap. Most cars they are 100% right the SES light triggers an emissions code P0442 (I think). However on the x3 if the computer sees this code (or what that code is) we have a separate dash warning light.
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  #7  
Old 09-26-2012, 01:51 PM
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mscamp mscamp is offline
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Intake boot and DISA valve are being replaced.

$1140.00

Might be time to make a move.
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2011 X3 - Purchased BMW of Peoria, IL October 6, 2012 - Deep Sea Blue/Oyster/Sienna - CWP1, CWP2, TP, PP, CP, PDC.
2006 X3 - Purchased BMW of Peoria, IL September 10, 2007 - Black/Black
2006 330i Purchased BMW of Peoria, IL October 12, 2005 Arctic Met/Beige
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  #8  
Old 09-26-2012, 04:01 PM
O7X3 O7X3 is offline
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x3brian

"The SES light is tied to all emissions components so all ideas above are possibilities (you could throw in spark plugs). Any ODBII reader will give you the Pxxxx code of the area to do deeper root cause analysis...not the failed part.

The only one I doubt is the gas cap. Most cars they are 100% right the SES light triggers an emissions code P0442 (I think). However on the x3 if the computer sees this code (or what that code is) we have a separate dash warning light."


There is no thanks button on this forum. It needs one so when these posts that put actual valuable info (your post I've quoted) on here we can thank the people for teaching the ones who really may join to learn and discuss there vehicles rather than play mechanic!

So THANK YOU
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Last edited by O7X3; 09-26-2012 at 04:09 PM. Reason: LOL. I quoted the wrong person at first
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  #9  
Old 09-27-2012, 05:44 AM
x3brian x3brian is offline
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Quote:
Originally Posted by mscamp View Post
Intake boot and DISA valve are being replaced.

$1140.00

Might be time to make a move.
Bummer...I was crossing my fingers. However, this is not an uncommon replacement part at the age of your car though.
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