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

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  #1  
Old 02-03-2014, 08:07 PM
Cai-X3 Cai-X3 is offline
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Location: Mobile, Alabama
 
Join Date: Feb 2014
Posts: 3
Mein Auto: X3
Burned rubber smell - air flow sensor?

Hi there!
Have a smell of burned rubber coming out of the engine compartment, more on the driver's side, more when in idle, and not all the time (X3, 2006, 152k miles). The mechanic says it's the air flow sensor, can that be? If I read the posts, it seems to be more the valve gasket cover, although that one has been changed around 50k miles ago.
Any thoughts?
Thanks,
Cai
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  #2  
Old 03-01-2014, 02:01 AM
danielhrobbins danielhrobbins is offline
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Location: St. Paul MN
 
Join Date: Mar 2014
Posts: 2
Mein Auto: X3 2004
Hi there! I just moved to MN from AL ... I miss it so much!

Anyway, my bet is that it is your tubing coming from the CCV, slowly burning away cause it isn't separating oil correctly, causing parts to be too hot and lacking in oil.

This was the case in my X3. Good luck!

Last edited by danielhrobbins; 03-01-2014 at 02:03 AM.
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  #3  
Old 03-02-2014, 07:00 PM
DangermouseX3 DangermouseX3 is offline
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Location: Atlanta GA
 
Join Date: Aug 2013
Posts: 278
Mein Auto: 2007 X3
Oil filter housing gasket, if it on the drivers side, assuming you are LHD.

Look around and behind the oil filter for leaks.

You smell it at idle because the cars airflow isn't blowing the smell away.

Try putting you cabin Hester on recirc to keep the smell out if the cabin.


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  #4  
Old 03-02-2014, 09:07 PM
DriveThruRecFan DriveThruRecFan is offline
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Location: san diego, ca
 
Join Date: Feb 2005
Posts: 7
Mein Auto: 1999 bmw 328i
Find a new mechanic
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