September 30: LEMON manuals is back up on a temporary server! Slowness is possible
33 21 ... Ribbed Teeth
WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Bolts with ribbed teeth must be replaced after they have been released!
Courtesy of BMW OF NORTH AMERICA, INC.