WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
OIL PUMP WITH STRAINER AND DRIVE SPECIFICATIONS
Oil pressure at idle speed with engine at operating temperature
min bar
1.5
Control pressure with engine at operating temperature