00 00 Excerpt from company standard
WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.
If there are no cross-references to tightening torques in the repair instructions, the torque values in this article must be observed. There are different screws/nuts with surface color (surface coating) - yellow (ZN) and silver (ZNS).
The values specified are not applicable when using a different surface or lubricant condition on the thread, or if the height of the nut differs. Values are also not applicable to necked-down bolts, self-tapping screw connections or to connections between parts made of different materials.