What are the reasons for a BMW suddenly stalling while driving?

1 Answers
DaisyLee
07/29/25 9:00pm
BMW suddenly stalling while driving may be caused by the following reasons: 1. Use of inferior fuel: Generally, stalling does not occur randomly. The main reason for stalling may be the use of inferior (substandard) fuel, leading to engine carbon buildup and stalling. 2. Engine computer malfunction: With prolonged use, the likelihood of the engine computer malfunctioning increases, and a malfunctioning engine computer can cause the car to stall. 3. Engine failure: Damage to the engine idle speed or idle speed motor circuit, or issues with the idle speed control module in the engine electronic control unit (ECU). 4. Fuel pump failure: A stuck fuel pump or a malfunctioning fuel pump can cause sudden fuel supply interruption, which can easily lead to car stalling.
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