The most powerful
diesel version of the compact BMW X model features a four - cylinder engine with TwinPower Turbo technology and
Common Rail direct injection, the piezoelectric injectors of which
operate at a maximum pressure of 2,000 bar.
With 4 valves per cylinder and a variable turbine geometry the
common -
rail direct injection system of the new small
diesel engine
operates at a maximum injection pressure of 1600 bar.