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2010 2011 BMW 5 Series Forum F10 N55 Catalytic Converter Code Below Efficiency |
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06-21-2018, 11:47 AM | #1 |
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N55 Catalytic Converter Code Below Efficiency
I have a 2013 Activehybrid 5/535i RWD with roughly 87,000 miles. Recent trip to the dealer for a "Drivetrain Malfunction" message resulted in them telling me that the code reads "CATALYTIC CONVERTER CODE S BELOW EFFICIENCY."
Dealer said I need new catalytic converters and priced it around $2300! Here are my questions: 1) How many cats does the n55 535i actually have?, from N55 manual and looking under car it appears to be only 1 cat 2) Could this just be an o2 sensor issue? |
06-21-2018, 03:17 PM | #3 |
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Single Cat, it is part of the downpipe. I would expect to find them cheap on the used market from people that have replaced it.
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06-21-2018, 09:57 PM | #4 | |
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07-02-2018, 03:43 PM | #7 |
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2011 535i f10
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07-03-2018, 03:35 PM | #9 |
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07-13-2018, 02:59 PM | #10 |
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Can a "Catalytic Converter below effeciency" even cause a drivetrain malfunction? Never heard of that happening before but u have a Hybrid so not sure...
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