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Old 01-19-2019, 08:58 AM
jtnguyen333 jtnguyen333 is offline
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Location: San Diego
Join Date: Feb 2014
Posts: 15
Mein Auto: 2011 BMW 335i Sedan
dreaded CEL & P24AE

I posted this on the 3 series forum. Yesterday when I was driving, I noticed the dreaded Check Engine Light came on. So I drove to an indy BMW shop I usually took my car to have it diagnose. He attached the diagnostic tool to read the code. He didin't show me the code but he said he needs more time to diagnose. It has to do with the emission sensor. Later the wife told me that O'reilly can diagnose for free. I thought might as well try it there. I took it to O'reilly and the O'reilly guy ran the tool and show me the code as P24AE. He said this is a bmw specific code and he doesn't know much about it. I went back home and get on the good old internet. This code P24AE is related to Diesel Particulate Filter (DPF) or Particulate Matter Sensor. Does anyone know much about this code? Should I just get bring the car to a BMW dealer since I assume they have better diagnostic tool?

My car is 2014 328D Xdrive. Mileage is at 78K. Any advice would be appreciated.
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Old 01-20-2019, 03:11 AM
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Doug Huffman Doug Huffman is offline
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Location: Washington Island, Wisconsin, thru Death's Door
Join Date: Apr 2015
Posts: 16,007
Mein Auto: CPO2012 X5 35d M57(E70)
What the dealer has that makes all the difference is the collection of BMW Test Plansİ.
Scepticism and Animal Faith (1923)
Scepticism is the chastity of the intellect, and it is shameful to surrender it too soon or to the first comer: there is nobility in preserving it coolly and proudly through long youth, until at last, in the ripeness of instinct and discretion, it can be safely exchanged for fidelity and happiness.
(The Works of George Santayana p. 65)

Eschew eristical argumentation. I am responsible for what I write, not for your understanding of it.
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Old 01-20-2019, 12:09 PM
Michael47 Michael47 is offline
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Location: Lynchburg, VA
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Mein Auto: '12 X5 35d
In essence, what both of them told you was that they, too, do not know. At this point, a BMW dealer would indeed appear to be your best course of action. As much as we owners might wish otherwise, there are indeed certain problems for which a competent dealer is needed.
'12 X5 35d
'05 Jeep Libby CRD (now deceased)
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formerly '69 BMW 2002 and '67 BMW 2000CS
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