| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|
| 1 | A | Terminal 50 | Start relay |
| | | |
| 2 | E/A | Diagnosis signal TXD | Connector TXD |
| | | |
| 3 | E | Terminal 50 | Ignition switch |
| | | |
| 4 | A | Signal line to DME | DME control unit |
| | | |
| 5 | E | Terminal 30 | Fuse F26 |
| | | |
| 6 | A | Remote control signal | Passenger's door module |
| | | |
| 7 | M | Ground | Ground connector |
| | | |
| 8 | E | Signal saved | General module |
| | | |
| 9 | E | P/N signal from automatic transmission | Gear position switch |
| | | |
| 10 | A | P/N signal from automatic transmission | Cruise control module 730i, 740i |
| | | |
| 11 | | Not used | |
| | | |
| 12 | E | Engine speed signal | Connector TD signal |
| | | |
| 13 | E/A | Transmit/receive signal (EWS) | Transmit/receive module (EWS) |
| | | |
| 14 | A | Infrared signal | Electrochromic interior rear view mirror |
| | | |
| 15 | A | Coding signal | Integrated electronic control unit (IKE) |
| | | |