'11 N54 Limp Mode: Code 2ABC Troubleshooting
I own a 2011 BMW 335is N54T that keeps going into limp mode, showing the code 2ABC (Intake Manifold Charge Pressure Sensor Plausibility). So far, I’ve replaced both intake manifold charge pressure sensors, the charge pipe, and the turbo intake pipes. I also performed a full smoke test after these repairs, which came back fine. Additionally, I checked the wiring for both sensors, and the connectivity seems to be intact. I even tried two new OEM MAP sensors purchased directly from a BMW dealer. What could be causing this persistent issue?
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