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What is the reason why the fuel gauge of BMW X3 does not reset after refueling?

2 Answers

VonAxel

07/29/25 4:42am

The reason why the fuel gauge of BMW X3 does not reset after refueling: The fuel float inside the fuel tank may be affected by the pressure in the tank, or there might be an issue with the fuel level sensor, causing the reset to be relatively slow. It usually resets automatically within 3 to 5 hours after refueling. If it does not recover beyond this time, it may indicate a malfunction of the fuel level sensor inside the tank, requiring repair or replacement at an auto repair shop. The BMW X3 is an SUV model with dimensions of 4648mm in length, 1881mm in width, and 1661mm in height, and a wheelbase of 2810mm. In terms of power, this vehicle is equipped with three engines: a low-power version 2.0-liter turbocharged engine, a medium-power version 2.0-liter turbocharged engine, and a high-power version 2.0-liter turbocharged engine.

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DelLeilani

08/12/25 8:23am

My BMW X3 had the same issue a few years ago—the fuel gauge didn't move after refueling. This is usually caused by a stuck float sensor (the float fails to rise when refueling) or sensor aging leading to inaccurate readings. Loose wiring connections or damaged harnesses can also interfere with signal transmission, and sometimes the fuel gauge itself malfunctions. As a longtime owner, I recommend first trying to restart the vehicle by disconnecting the battery for a few minutes and reconnecting it to see if the system resets. If that doesn’t work, don’t waste too much time troubleshooting—head straight to a 4S shop for professional diagnosis. Sensor replacement or cleaning should fix it. Never risk driving long distances with an inaccurate fuel gauge, as misjudging fuel levels could lead to being stranded on the road. During regular maintenance, pay attention to the fuel tank sensor’s condition to prevent such issues.

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