Bosch B58TU High Pressure Fuel Pump Upgrade - M140i / M240i / 340i / 440i
Direct fit and no need for wiring loom extension to fit B58 Gen 1
The Bosch 0261520520R high pressure fuel pump (HPFP) is a high-performance version of standard HPFP fitted to the popular BMW B series engines manufactured from 2015 to 2019. This engine is fitted to a range of BMW and Toyota applications.
For any compatibility questions please see below the applications table.
The BOSCH 0261520520R HPFP upgrade has been specifically designed to achieve maximum performance while still retaining OEM durability and service life. The benefits are:
Strengthened internal valves and components to enable a continuous 350bar maximum rail pressure throughout the engine speed range – an increase of 75% compared to the standard HPFP.
Increased plunger diameter by 10%, resulting in 10% more fuel volume per pumping event.
Reduced clearance between the plunger and plunger bore to increase pumping efficiency and unwanted heat.