Roof Function Center A21*2B Connector End View
Courtesy of BMW OF NORTH AMERICA, INC. Pin Assignments At Plug Connector A21*2B
| Pin |
Type |
Description /Signal type |
Connection /Measuring information |
| 1 |
M |
Ground |
Ground point |
| 2 |
E |
Supply, terminal 30 |
Fuse F43 |
| 3 |
-- |
Not used |
|
| 4 |
-- |
Not used |
|