The typically indicates that the measured air mass is too high . This diagnostic trouble code (DTC) is usually triggered when the engine's computer detects a significant deviation between the actual air intake measured by the Mass Air Flow (MAF) sensor and the values it expects based on engine conditions. Core Issue: Measured Air Mass Too High
: A contaminated Mass Air Flow (MAF) sensor can send incorrect high-voltage signals to the ECU. Wiring/Connector Problems bmw 2ddd00