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

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  #1  
Old 12-16-2009, 06:54 AM
bmccool21 bmccool21 is offline
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Location: indianapolis
 
Join Date: Dec 2009
Posts: 5
Mein Auto: x3
someone HELP please!!!

hey guys im new to the forums and the somewhat new to the bmw world. I have a 06 x3 that im having trouble with and its driving me crazy. the problem is intermettent and occurs at first start up. It will either start fine or start loping like crazy with no throttle response. Or start fine but die when i put it in gear. It keeps throwing the same 4 codes. I tried swapping out both the throttle body and throttle valve with known working ones but no luck. codes are as follows
28B2: RPM limitation:control
27A1: throttle valve:start test
2796:throttle valve learn values incorrect
2830ME self test-checksum
anyone have this problem or some guidance?
thanks alot
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  #2  
Old 12-16-2009, 08:06 AM
UncleJ UncleJ is offline
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Location: Silicon Valley
 
Join Date: May 2006
Posts: 6,513
Mein Auto: '06 X3
bmc, are you still under OEM warranty? If so take it right in to the dealer's shop and have them fix it. If out of warranty take it in to a good indy BMW oriented ship and have them fix it. This is the kind of thing that needs to be professionally looked at IMHO, but then you already knew that.

Last edited by UncleJ; 12-16-2009 at 08:20 AM.
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  #3  
Old 12-16-2009, 08:50 AM
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Mystic1 Mystic1 is offline
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Location: Milwaukee
 
Join Date: Jan 2008
Posts: 766
Mein Auto: '11 328xi, '09 550i
Don't really know what those codes could relate to, but it could be that the Crankcase Ventilation system is starting to clog up. Happens when it is cold outside as the oil is a little thicker. It is basically a PCV system on BMW's. Not a cheap repair. Do a search for CCV and you should find the symptoms and repair parts/cost. Parts are relatively cheap, but the labor is the killer as a good portion of parts have to be removed to replace it. And if it is under warranty, let the dealer do it. If the CCV completely clogs, your engine will seize so be careful if you have to drive it.

Last edited by Mystic1; 12-16-2009 at 08:53 AM.
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  #4  
Old 12-16-2009, 08:56 AM
BUZZ_PLUS BUZZ_PLUS is offline
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Location: Cairo
 
Join Date: Jan 2009
Posts: 72
Mein Auto: E46
looks like a throttle valve sensor or an idle block for me I don't u don't need to check the PCM its a new car plz inform us with updates when u get it fixed soon
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  #5  
Old 12-16-2009, 09:05 AM
bmccool21 bmccool21 is offline
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Location: indianapolis
 
Join Date: Dec 2009
Posts: 5
Mein Auto: x3
assuming its non pcm related i should be able to fix the problem im just running out of ideas. Im a technician but im fairly new to bmws. My snap on scanner will tell me some info but not enough. Ill look into the pcv possibility!!thanks for the input guys
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