Fabio

Problem with DPF or Nox Sensor in BMW 2

Hello, I have a problem with my BMW F22 225d. The check engine light is illuminated and when reading out messages such as 'Nox sensor', 'DPF cleaning activated' and 'DPF too sooty or clogged' are displayed. In addition, there is often a burnt smell coming from the air conditioning system. Does anyone have any idea what the problem could be or any tips on what I could do? Many thanks in advance for your help.

(Translated from German)

A BMW F22 225d owner is experiencing a check engine light with messages indicating issues with the NOx sensor and a potentially clogged DPF (Diesel Particulate Filter), along with a burnt smell from the air conditioning. Possible causes include a malfunctioning NOx sensor or a clogged DPF. Suggested solutions involve checking the NOx sensor's functionality and inspecting the DPF for clogging, potentially requiring regeneration or cleaning. If unresolved, consulting a professional mechanic is recommended.

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1 comment(s)

Start by checking the NOx sensor and ensure it's functioning properly, as a faulty sensor can trigger the check engine light. Also, inspect the DPF (Diesel Particulate Filter) for any signs of clogging. If the DPF is clogged, it may need a regeneration or cleaning. The burnt smell could be related to these issues, so addressing them might resolve the smell as well. If you're unsure, it's best to have a professional mechanic take a look, especially since these components are crucial for your vehicle's emissions system. Let me know how it goes or if you have any further questions!

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