33 00... Notes on repairing threads
WARNING: This page is about a different car, the 2010 BMW 528i, 2009 BMW 528i, and 2008 BMW 528i. 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.
Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
Damaged threads in the frame side member may be repaired with Helicoil thread inserts.