System overview
The following graphic shows the comfort access system network, using the example of the F20.
| Index | Explanation |
|---|---|
| 1 | Driver's door lock with central locking drive |
| 2 | Front Electronic Module (FEM) |
| 3 | Front fuse and relay module |
| 4 | Front passenger door lock with central locking drive |
| 5 | Outside door handle electronics |
| 6 | Exterior aerial, right side sill |
| 7 | Exterior aerial, bumper |
| 8 | Interior aerial, luggage compartment |
| 9 | Exterior aerial, left side sill |
| 10 | Outside door handle electronics |
| 11 | Front interior aerial |
| 12 | Rear interior aerial |
| 13 | Remote control receiver |