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.
NOTE:
For connecting diagnosis system to OBD socket from 06/2000.
Storage location: Single
SI number: 2 04 00 (561)
Order number: 61 4 300 Adapter lead for OBD socket