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

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  #1  
Old 05-16-2016, 07:23 PM
rajnair rajnair is offline
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Location: USA
 
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Mein Auto: X3
P0031, p0051, p0037 & p0057

I have got these codes and was quick to assume different things!

Here's the confusion; I have replaced 2 Pre Cat O2 Sensors, but still all four codes are showing up. Reset several times but still coming back. Any thoughts?
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  #2  
Old 05-17-2016, 04:02 AM
x3brian x3brian is offline
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Location: Sacramento CA
 
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Mein Auto: X3
I've chased similar codes on my wife's car before.

A vacuum leak can cause those codes too. What year and miles is your x3?

What BMW specific codes are being thrown? Those are just general odb2 codes.
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  #3  
Old 06-16-2016, 05:42 PM
rajnair rajnair is offline
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Mein Auto: X3
Quote:
Originally Posted by x3brian View Post
I've chased similar codes on my wife's car before.

A vacuum leak can cause those codes too. What year and miles is your x3?

What BMW specific codes are being thrown? Those are just general odb2 codes.
It's a 2007 BMW X3
Took to a Shop and here's the diagnose report,
2C9C, 2C9D, 2C9E, 2C9F
O2 Sensor Heater circuit

Need to replace Crankcase breather connector

They recommend to replace the Crankcase breather hoses under intake manifold. How long will it takes to replace them, if you DIY?
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  #4  
Old 06-19-2016, 05:30 AM
swampX3 swampX3 is online now
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Location: New Orleans
 
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Mein Auto: bmw++many
generic CCV x3 swap

you need a few hours and watch all of this series of DIY .....it's gonna be different to yours because I'm almost sure you have to pop the intake manifold off also to get at your heat trace wiring on the later N52 engine models CCV plumbing....BUT ....this has the major job steps ......BUT .....you can't go in under the manifold on yours .....ALSO .....check your starter while in there with the manifold off ....electrical connections etc




dig around in these links and home in on your engine etc.....put the last seven of your VIN into REALOEM.com and get your exact stuff.....best wishes

https://www.google.com/search?client...UTF-8&oe=UTF-8

Last edited by swampX3; 06-19-2016 at 05:33 AM.
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