Data Exchange Via The K Bus
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.
The light switch cluster receives the following messages via the K bus:
- Terminal R, signals from the basic module (GM or the ignition starter switch)
- Parking lights
- Dipped beam headlights
- Front fog lights
- Rear fog light
- Ride-height sensors
The signals from the ride-height sensors are sent directly to the AHL control unit on vehicles with "adaptive headlights" option 524.