33 00 ... Notes on repairing threads
WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Install Helicoil thread inserts so that they are flush with the original thread.
NOTE:
Damaged threads in the frame side member may be repaired with Helicoil thread inserts. Comply with the procedure
described in the example.