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BMW 3-Series (E90 E92) Forum
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Strange warning light
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01-15-2013, 10:32 PM | #4 |
Semper Fi
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I would be iffy too if I got that sqare symbol ...
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01-16-2013, 04:58 PM | #7 |
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That looks like the cat?
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01-16-2013, 05:09 PM | #9 |
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Sorry, that's the microfilter.
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01-16-2013, 05:11 PM | #10 |
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Hope this helps.
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01-16-2013, 05:38 PM | #12 |
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Maybe it's at half life?
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01-16-2013, 05:50 PM | #13 |
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This is a Diesel BMW,
It has to do with the Catalytic system, lots of options there. Definitely reading codes of the car would help. Usually just like O2 sensors on gas engines EGT temp and NO sensors go bad on diesels. |
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