Bmw Hpfp N55

Welcome to the home of the highest powered direct injection N55 cars on the planet! If your power goals extend beyond the capacity of our DS25 HPFP alone, be sure to check out your options of pairing it with our N55LK innovation HERE. 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. Nostrum HPFP's always include all the accessories and hardware you need for hassle-free installation such as electrical connectors, low and high-pressure fuel lines, and hardware.

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. M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > Bmw F series N55 HPFP upgrades Thread Tools Bookmarks twitter Facebook Digg Google StumbleUpon del.icio.us My Yahoo!

If the HPFP fails during the extended warranty coverage period, BMW will replace it with a newer-production version. Newer N55-powered BMW models, as well as the 740i/Li, built from March 2010 on use the latest HPFP and are not affected. BMW N55 Fueling Mods Summary The N55 is a solid engine, overall.

However, fueling is definitely one of the bigger shortcoming of the N55 engine. The HPFP's aren't quite as capable compared to engines like the N54, S55, B58, etc. Fortunately, the stock fueling is still pretty capable especially with a WMI or CPI setup.

This is BMW parts item 13518604231, described as HPFP - High Pressure Fuel Pump For N55 Engine, that you can buy at the best price with fast shipping. The FX-170 is an upgraded high-pressure fuel pump (HPFP) designed for BMW N55-powered 35i single-turbo models. Featuring a larger bore than the stock pump, it delivers approximately 50% more flow, making it ideal for higher performance applications.

Fully E85-compatible and 100% plug-and-play, it requires no cutting, splicing, or modifications. Unlike the S55 with its factory dual pump setup, the N55 is stuck with a single HPFP, which is one of the biggest limiting factors keeping you from making more horsepower.This is where the Nostrum N55 HPFP kit comes in! Flowing an astounding 63% more fuel than stock, the Nostrum HPFP's will provide your engine with th.