Bmw Fuel Pump Problems. A low pressure fuel pump and a high pressure fuel pump. If the pump doesnt deliver fuel you may be dealing with a clogged restricted fuel line fuel pump electrical circuit problem or failed pump.
Fuel pump is now running not whirring when ignition is turned on but is whirringpumping when the starter is depressed and the fuel is reaching the fuel rail. The low pressure fuel pump is what siphons gas from the gas tank and sends it to the high pressure fuel pump. The water can be damaging to the pump by corroding its parts.
Complete power failure engine brakes steering - mechanic replaced a gas valve.
Another reason why the fuel pump in your BMW could fail is due to there being water present in the fuel. There is spark I checked two 3. At the time of this writing it is 2020 so any n54 on the road has likely already had its fuel pump replaced. Heres a video show.