N55 Bmw Hpfp
This guide provides a comprehensive walkthrough on how to rebuild the high-pressure fuel pump (HPFP) used in BMW N54 and N55 engines, specifically in the 335i, 335xi (E90/E92), E82 135i, and E60 models. Learn about BMW N55 fueling limitations, mods, and upgrades. Best N55 fueling upgrades.
BMW N55 LPFP, HPFP, Port Injection, CPI, Methanol. NOTE: When pushing much beyond the flow capacity of our existing Stage 2 HPFP kit, the N55 is very much limited by the injectors. In order to see the full potential of this upgrade, it is highly recommended to upgrade to the larger S63 EU5 Injectors.
These are OEM BMW injectors that flow up to 800whp on full E85. Kit Contents: Dorch Lifetime. High-pressure fuel pump failures in BMW N55 engines can be attributed to several key factors: Fuel contamination is a significant cause.
Contaminants such as dirt, debris, and water in the fuel can cause significant wear and tear on the HPFP. These impurities can clog the pump's internal components, leading to reduced fuel flow and eventual. 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.
This is Bosch's updated high pressure fuel pump "HPFP" for BMW's with the N55 turbo engine. This fuel pump is the OEM equivalent to BMW part number 13518604231 and supersedes BMW part number 13517610761. This article covers replacing the high pressure fuel pump in a BMW E90 with the N55 turbocharged engine.
Even though we used a 2011 335i to perform this repair, this article can be applied to any BMW vehicle with the N54/N55 turbocharged engine including the 1,3,5,7,X3,X5,X6,Z4 series with minor modifications to the repair steps. BMW N55/S55 HPFP (s): EVO: Built to order HPFP60: Built to order Injector (s): In Stock If you would like information on becoming a dealer or about this product please click the button below! Bmw F series N55 HPFP upgrades B58: 1) B58C: Also known as the bosch HDP5 evo hpfp which can make up to 250 bar of fuel pressure according to bosch's website and flow 0.897 cc/rev according to dorch engineering depending on which engine and cam profile it is used on (I believe the B58 cam profile allows it to have a higher cc/rev vs.
the N55). The limiting factor on the BMW N55 engine is the HPFP runs out of pressure resulting in the vehicle being limited to around 430.