Symptoms of a Bad Fuel Pump in a BMW

Blue BMW

Fuel economy is a largely appealing factor for those who are in the market for a new car. Choosing a car can depend greatly upon what kind of gas mileage it gets, and if you own a BMW this might have been one of the things that attracted you to it in the first place. BMWs aren’t known for their exceptional gas mileage; however, they are one of the fewer high-end performance vehicles that delivers better fuel economy over others.

Ongoing vehicle maintenance plays a huge role in how your BMW performs, including it’s fuel efficiency. When your BMW is well-taken-care-of, the various features of the fuel system work properly and efficiently, giving you the most optimal range of gas mileage possible. Unfortunately, as a result of either inadequate care or simply because things can go wrong sometimes, the various parts of the fuel system can fail or malfunction. One component of your BMW’s fuel system that you might experience troubling symptoms with is the fuel pump. BMW’s don’t necessarily all experience such issues, although it’s important to be able to recognize the signs and symptoms of a bad fuel pump in your BMW so you can get it the care it needs. Here are some of the most common signs of fuel pump failure:

Decrease in gas mileage

As we mentioned before, fuel economy plays a huge role in vehicle functioning for the everyday driver. If you own a BMW, it can be especially concerning when you notice your car isn’t getting the gas mileage it should. Lowered fuel efficiency can be due to any number of problems; however, if it’s related to the fuel pump then it’s likely the right amount of fuel isn’t reaching the engine, causing the vehicle to run lean. This causes diminished performance in general besides lowered gas mileage, so it’s critical to keep an eye on your fuel efficiency to monitor the possibility of fuel pump issues in your BMW and have it diagnosed soon after.

Engine temperature is higher

The temperature gauge on your dash is designed to alert you of any significant or slight changes in engine temperature. The engine temperature can relate to the function of the fuel system because when the fuel system is struggling, the engine must work harder to generate enough heat to run properly. Unfortunately, this fluctuation in engine temperature also causes the cooling system to work overtime, which can not only affect your BMW’s performance, but it can cause internal damages to your engine if it gets too hot. If you notice that the temperature gauge isn’t centered or looks like it could be approaching too warm or too cold, it’s best to have the issue checked out before more significant damage takes place.

Diminished power efficiency

Many drivers seek BMW models because they are high-end, luxury vehicles; however, they also offer high-standard performance capabilities. When the fuel pump encounters an issue, it will directly affect how your BMW performs. This can be disheartening for BMW enthusiasts and drivers because they likely get great enjoyment from driving their Bimmer. If the engine can’t get enough fuel and it’s beginning to run lean, you will notice a significant decrease in engine power, mostly noticeable upon acceleration. It’s important to note that any number of issues with the fuel system could account for this issue, so having a differential diagnosis performed by a BMW specialist is the best way to isolate the source of the problem.

Problems starting the car

Starting issues in a BMW can be traced back to a few different problems. Although, this is possibly one of the most severe symptoms of a bad fuel pump. Again, there are other culpable reasons for starting issues in your BMW besides just a failing fuel pump. However, if your engine can’t acquire enough fuel to ignite, that’s certainly a big problem and could be related to fuel pump failure.

How we can help

BMW Fuel PumpSince 1973, BMW Mercedes Service (BMS Inc.) has provided the areas of Sherman Oaks, Tarzana, Encino, Studio City, Van Nuys, and Valley Village, CA, with specialized German vehicle services. Our expertise and background in German-engineered cars gives our clients the peace of mind and quality in their maintenance and repair work, and our affordable prices allow the same care for all BMW drivers in the community. We truly appreciate the BMW brand, and rest assured, we will give yours the care it deserves. If you experience any of the above-mentioned symptoms of fuel pump failure, please contact us to schedule an inspection as soon as possible.

Blue BMW image credit goes to: kurmyshov.