How do I know if my BMW fuel pump is bad?

How do I know if my BMW fuel pump is bad?

There are a number of things you might notice if your BMW’s fuel pump is failing:

  1. High Engine Temperature.
  2. Stalling at High Temperatures.
  3. Decrease in Gas Mileage.
  4. Engine Sputtering.
  5. Surging.
  6. Noisy Pump.
  7. Lower Engine Power.
  8. Problems Starting.

How long does BMW HPFP last?

High Pressure Fuel Pump Repair Options & Warranty HPFP failure seems to be related to the specific pump in your car, and is random in nature. BMW has warrantied this part for 10 years and 120,000 miles. Hopefully you fall into this warranty.

What is a HPFP on a BMW?

BMW uses twin-turbo engines in their vehicles. Larger engines like these have a higher fuel demand to run efficiently. A High-Pressure Fuel Pump (HPFP) is a mechanical system, driven by a camshaft. Unlike a regular fuel pump, the HPFP is able to provide this bigger engine with enough fuel to run sufficiently.

What is HPFP problem on BMW?

Signs of a High-Pressure Fuel Pump Failure Engine sputtering: When you press on the accelerator to gain a higher speed, a failing HPFP can malfunction and cause your BMW to sputter. Poor acceleration: Without the HPFP, your car cannot accelerate as it is designed.

How much does it cost to replace HPFP?

According to BMWAutoParts, the HPFP cost only $204.13 (see below); and I think the labor is approximately 1-2 hours. Very likely, BMW will quote you $400 to $1000. Unless you have voided your warranty, your pump is covered for 10 years.

How much does it cost to install HPFP?

What are the symptoms of a bad HPFP?

The most common symptom that the HPFP is starting to fail is the engine surging while driving. This is usually followed up by difficulty starting, and then when the engine finally does start, it runs poorly (feels like a diesel engine).

How does a BMW high pressure fuel pump work?

In order to keep up with the fuel demand of these engines and the precision such systems require, BMW utilized a high-pressure fuel pump to accurately and precisely spray the proper amount of fuel into the engine to create the right air-to-fuel ratio for combustion.

What is a high-pressure Fuel Pump (HPFP)?

What is a high-pressure fuel pump (HPFP) and what does it do? Many BMW models are designed with twin-turbo engines, which produce a phenomenal amount of power to the vehicle.

What are the signs of a bad fuel pump?

These are just a few of the common signs of fuel pump failure that you may encounter and should constantly be on the lookout for: Engine knocking – usually occurs the first time you drive the vehicle for the day, in cooler temperatures.