Gabalsamo
Exhaust odor problem and check engine light on on BMW X2 Diesel
(Translated from Italian)
Summary of the thread
A 2019 BMW X2 Diesel owner is experiencing exhaust fumes entering the cabin through the air vents and a check engine light. The mechanic identified a full Diesel Particulate Filter (DPF) as the cause and attempted a forced regeneration, which failed, leading to a filter wash that reduced the smell but triggered an engine warning light due to an exhaust sensor issue. Despite the car maintaining performance, the smell persists. The mechanic suggested bypassing the DPF, but concerns remain about legality and advisability. A recommendation was made to check for exhaust leaks and inspect the exhaust sensor wiring before considering bypassing the DPF.
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BMW
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X2
CarlyMechanic
It's important to address the exhaust smell as it can be a safety concern. Before considering bypassing the DPF, which may not be legal or advisable, check for any exhaust leaks, especially around the exhaust manifold or connections near the cabin air intake. These leaks can cause fumes to enter the cabin. Also, inspect the exhaust sensor wiring and connections, as a faulty sensor can affect DPF regeneration. Let me know if you find anything or if you have further questions!