WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. 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
Fig 1: Identifying Adapter Lead For OBD Socket (61 4 300)