OBDI to OBDII Cable

The OBD (On-Board Diagnostics) sockets in BMW vehicles have evolved over the years. Here is an overview of the main generations of OBD sockets used by BMW, based on the year of production:

OBD-I (1987 - 1996)

• Plug Type : 20-pin connector.
• Usage : Introduced on models from 1987, this socket allows for diagnostics of engine systems. It requires an adapter to connect to diagnostic tools.