Should the BMW Off Button Be Turned Off or On?

2 Answers
CatherineFitz
07/28/25 7:25pm
BMW's Off button is the switch for the vehicle's start-stop function, and it can be turned on or off based on your needs. Below is an introduction to the engine start-stop switch: 1. Definition: The engine automatically shuts off when the vehicle comes to a temporary stop during driving. When you need to proceed, the system automatically restarts the engine. 2. Operation Method: It mainly consists of a relatively large-capacity battery and a starter. When the engine needs to restart after a temporary stop, the high-capacity battery can power the starter to quickly start the engine and bring it to normal speed. 3. Advantages: It can save fuel consumption during idling and normal starts, with the system capable of saving up to 15% of fuel.
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LaJulianna
08/12/25 12:30am
My driving experience tells me that the 'off' button in BMWs is usually the switch for the engine start-stop system. In city traffic jams, it's best to turn it off so the engine doesn't frequently shut down automatically, making the car smoother when starting and avoiding minor jerks; on highways or clear roads, turning it on can save fuel, reducing BMW's fuel consumption slightly. I prioritize driving comfort, so I often turn it off during daily commutes, especially in areas with many traffic lights. BMW designed it very user-friendly—just press the button, simple operation. Testing different scenarios, like when temperatures vary greatly, the start-stop is more noticeable, and turning it off feels more comfortable. Remember, keeping it on or off long-term won't harm the car—BMW engines are durable. Adjust it yourself to feel the difference.
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