Injectors And Lines, Fuel Pressure Regulator N52 / N52K / N51
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2008 BMW Z4, 2008 BMW 328xi, 2008 BMW 328i, 2008 BMW 323i, and 2007 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.