The P0463 code indicates that your car’s engine control module (ECM) is receiving a voltage signal from the fuel level sensor that is higher than expected, which suggests that the system believes the ...

Unless your vehicle suddenly starts to hesitate or run roughly, fuel filters on modern fuel-injected vehicles only need to be checked — and replaced, if necessary — during the tune-up inspections ...

If that occurs, the sensor won't drop as the fuel level does. That in turn results in the fuel gauge displaying more go juice than is actually in the tank. Due to the issue, affected M5 owners run the ...