System Circuit Diagram
WARNING: This page does not describe the selected car, but rather 37 other vehicles, including the 2006 BMW 330Ci, 2006 BMW 325Ci, 2005 BMW M3, 2005 BMW 330xi, and 2005 BMW 330i. However, it is still accessible from the selected car via links, so may be relevant.
SYSTEM CIRCUIT DIAGRAM LEGEND
| Key | Explanation | Key | Explanation |
|---|---|---|---|
| 1 | Rain-light sensor (RLS) | 2 | Ride-height sensors (one on the right-hand side of the front axle, and one on the right-hand side of the rear axle) |
| 3 | Brake light switch | 4 | Zero-position sensor |
| 5 | Direction indicator/main beam switch | 6 | Multi-function steering wheel |
| 7 | The light switch must be in position "A" | 8 | Yaw rate sensor in DSC sensor |
| 9 | Basic module (GM) | 10 | Electronic transmission control (EGS) |
| 11 | Steering angle sensor | 12 | Wheel speed sensor (4 wheel speed sensors on each vehicle) |
| 13 | AHL control unit for the adaptive headlights (AHL stands for adaptive headlights | 14 | Light switch cluster (LSZ) |
| 15 | Control unit in the instrument cluster (KOMBI), gateway (data interface) between the K bus and PT CAN | 16 | Stepper motor controller (SMC) Control unit for adaptive headlight stepper motors and for automatic headlight-range adjustment stepper motors |
| 17 | Stepper motor for adaptive headlights | 18 | Stepper motor for automatic headlight-range adjustment |
| 19 | Xenon control unit with D2-S bulb and mechanical screen in the bi-xenon headlight for redirecting the D2-S bulb for main beam | 20 | Headlight |
| 21 | Trailer module (AHM), if fitted | 22 | Green indicator light (LED) for automatic driving lights control and for the adaptive headlights (on the light switch cluster) |
| LIN bus | Local bus (Local Interconnect Network) between AHL and SMC | K bus | Body bus |
| PT CAN | Powertrain CAN | Terminal R | Terminal R |
| Terminal 15 | Terminal 15 (ignition) | Terminal 30 | Terminal 30 |