Bmw 3 series oil supply system failure, hot weather.

Why does the fuel supply system of BMW 3 Series fail in hot weather? The hot weather caused the failure of Ma Bao Series 3 oil supply system, for the following reasons:

1. The battery is dead: it may be that the headlights are turned on for a long time, resulting in power failure or battery life expiration. Generally, it is recommended to replace the battery in time after 2 years.

2. No oil or poor oil quality: the oil meter shows below the red line, so it is naturally impossible to ignite. Also pay attention to the quality of oil.

3. Engine frost crack: In winter, when water or inferior antifreeze is added to the car, the whole waterway freezes and the engine cracks, resulting in the failure of the car water pump, failure to start fire fighting and injury to other parts of the engine.