
BMW N54/N55 High Pressure Fuel Pump Kit - Failure Symptoms, Replacement, and Product Review
One of the most common failures on all BMWs with the N54 (and early N55) engine is the high-pressure fuel pump, regularly referred to as the HPFP. When the HPFP starts to fail, it's common for the car to go into limp mode, and in severe cases can leave you stranded waiting for a tow. BMW has had...