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: Check for physical debris or oil contamination. Use a dedicated MAF cleaner before considering a full replacement. Test EGR Operation bmw 2ddd00
When the Engine Control Unit (ECU) triggers 2DDD00, it has detected a "plausibility" error in the air intake system. Specifically, the amount of air being reported by the exceeds the expected range based on current engine conditions. This often occurs when the High-Pressure Exhaust Gas Recirculation (EGR) flow is lower than expected, forcing the engine to draw in more "fresh" air to compensate. Common Symptoms If your BMW is showing this code, you may experience: : Check for physical debris or oil contamination