13 51 630 Replacing fuel pressure regulator (M54, N42, N62, N40)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The fuel pressure regulator is integrated in the fuel filter and cannot be removed on its own.
If the fuel pressure regulator is faulty, remove and replace the fuel filter. See 13 32 051 Replacing fuel filter (M54)