BMW Engine Malfunction Reduced Power - YOUCANIC
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SymptomsCommon ProblemsValvetronicVanosOxygen SensorIgnition CoilsTiming ChainBatteryHigh-Pressure Fuel PumpTurbo Newer BMW vehicles, starting from E90 335i, have engines with high-pressure fuel injection. This is a delicate system that can be damaged by low-quality fuel. High-pressure fuel pumps and injectors are the usual failure points. Symptoms include engine hard starting with long cranking, rough idle, and a yellow 1/2 ‘check engine light. In most cases,...
Newer BMW vehicles, starting from E90 335i, have engines with high-pressure fuel injection. This is a delicate system that can be damaged by low-quality fuel. High-pressure fuel pumps and injectors are the usual failure points. Symptoms include engine hard starting with long cranking, rough idle, and a yellow 1/2 ‘check engine light. In most cases,...
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