SI number

WARNING: This page is about a different car, the 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

02 12 91 (450)

Consisting of:

0492803 Cable
NOTE: (Voltage supply cable) Connection between a battery and various adapter cables
0492804 Adapter cable
NOTE: Model series: E36
0492805 Adapter cable
NOTE: Model series: E38
0493308 Adapter cable
NOTE: Series: E46, E52

Fig 1: Identifying Cable (0492802)
Courtesy of BMW OF NORTH AMERICA, INC.