Reasons for High Fuel Consumption in BMW 3 Series

1 Answers
JulietAnn
07/30/25 3:00am
BMW 3 Series high fuel consumption is caused by engine technical conditions leading to excessive fuel consumption and chassis technical conditions causing fuel overconsumption. Solutions for excessive fuel consumption: When the fuel consumption rate during use is higher than the factory specifications or standard values, adjust the main metering needle or replace with an appropriate main jet. For components that are damaged, malfunctioning, or improperly adjusted (such as delayed ignition, improper spark plug gap, improper breaker contact gap, etc.), excessive fuel supply, uneven fuel supply among cylinders, or poor atomization, timely adjustments should be made. Maintain normal tire pressure levels: Remove unnecessary items from the car to maintain normal tire pressure levels. Insufficient tire pressure significantly increases rolling resistance, and tire misalignment or excessive wear may also lead to increased fuel consumption.
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