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Hello,
I have a 2020 BMW 840d with only 50,000 km, and I'm encountering the error code 2BB100. There are no symptoms with the car—just the check engine light. No power loss, everything feels fine.
I had the DPF professionally cleaned, as well as the intake manifold and the entire exhaust line, but the error code still comes back.
The dealership refuses to admit that the DPF needs to be replaced, especially since they had another vehicle with the same issue, and even after replacing the DPF and the sensors, the problem wasn't resolved.
They now tell me the issue likely comes from a faulty injector and that I should replace all the injectors.
I’m quite puzzled. Also, I’ve noticed my exhaust tips are blackened—was that the case for you as well?
Did replacing the DPF actually solve the issue in your case?
Thanks for your response.
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