Telematic Communication Box A231*3B Connector End View
Courtesy of BMW OF NORTH AMERICA, INC. Pin Assignments At Plug Connector A231*3B
| Pin |
Type |
Description /Signal type |
Connection /Measuring information |
| 1 |
E |
Aerial signal |
Emergency GSM antenna |
| 2 |
E |
Aerial signal |
Roof aerial |