The bf1systems auto learning TPMS has been specifically designed for closed wheel race cars and provides teams with a fit and forget Tyre Pressure Monitoring System (TPMS) due to its ability to automatically learn the wheel sensors fitted to the car, and start monitoring them, without the user having to assign sensors to specific corners, manually. The system is currently used on cars such as the Porsche 911 RSR, Ferrari 488 GTE and GT3, Aston Martin Vantage GT3, Nissan GT-R GT3 and Mercedes SLS GT3, and in other applications such as the WRC, Rally Raid and WTCC.

For 2016 the system has been upgraded to consist of four Low Frequency (LF) Trigger Antenna units, one of which is located in each wheel arch. The LF Trigger Antenna broadcasts a request signal over a range of approximately one metre, and any wheel sensor within that vicinity responds by transmitting a Radio Frequency (RF) datagram back to the antenna which also receives the datagrams, processes them and passes them to the TPMS ECU.

The ECU uses each trigger antenna in turn to allow it to determine what sensors are fitted to the car, and when the car is stationary, uses the unit to request datagrams from the wheel sensors. This means that even when a car is stationary in the pits, data from the wheels fitted to the car is be available.

When the vehicle starts moving, the system conducts a check of the wheels it has learned by using the accelerometer inside the wheel sensors to filter out any non-moving wheels (e.g. spare wheels fitted to the car), and learns only a complete set of moving sensors.

All data acquired by the TPMS on the tyre pressures and temperatures, plus warnings, is made available on the high speed CAN bus connection (baud rate configurable).

When the wheels on the car are changed, the system will automatically learn the new sensors fitted to the car, and will start monitoring these, meaning no user interaction is required.

The LF learning system is compatible with both DigiTyre and DigiTyre Lite ECUs, meaning a fit and forget TPMS which requires no user intervention, and allows teams to fit any wheel sensor to any corner of the car without connecting to the ECU, can now be fitted to all closed wheel race cars.