RDC control unit
WARNING: This page does not describe the selected car, but rather 45 other vehicles, including the 2016 BMW M5, 2016 BMW 550i xDrive, 2016 BMW 550i, 2016 BMW 535i xDrive, and 2016 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.
At the request of the RDC control unit, the following messages are queried via the RDC transmitters (125 kHz) by each wheel electronics system:
- Tire pressure
- Tire air temperature
- Battery status and identifier (ID) of the wheel electronics system
These messages are then sent across a high-frequency transmission path (433 MHz) to the RDC aerial. The measuring cycle is 54 seconds. The received radio signal are converted into a digital signal in the RDC aerial. This digital signal is forwarded on the bus to the RDC control unit.
| Item | Explanation |
|---|---|
| 1 | RDC control unit |
| 2 | Connector for RDC control unit |