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What's the reason if BMW 5 Series fails to start?

1 Answers

AthenaAnn

07/29/25 3:27pm

The following are the reasons why a BMW 5 Series may fail to start: 1. Check if the BMW 5 Series battery has power: It may be due to power loss caused by reasons such as leaving the headlights on for a long time or the battery's lifespan expiring. It is generally recommended to replace the battery every 2 years. Additionally, installing xenon headlights, high-power audio systems, DVD players, etc., can also cause vehicle circuit failures. Checking for a dead battery is simple; just press the horn. 2. Check if there is fuel: If the fuel gauge shows below the red line, the car naturally won't start. Also, pay attention to the quality of the fuel. During repairs, we once found water and mud in the fuel tank after opening it. Using such fuel will inevitably damage the car. Therefore, it is advised to refuel only at reputable gas stations. When traveling, you can use a gauze wrap on the fuel nozzle to filter out impurities. 3. BMW 5 Series lacking antifreeze: Some owners add water or inferior antifreeze to their cars, which can cause the entire cooling system to freeze in extremely cold winter conditions, leading to a cracked engine. This results in the car's water pump failing to operate, the car not starting, and damage to other engine components. 4. BMW 5 Series in the wrong gear: When starting the BMW 5 Series, the gear must be in P (Park) or N (Neutral). If it's in R (Reverse) or D (Drive), the car will not start.

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