Features: The main function is to monitor car tire internal pressure and allow you to know the tire condition. Good accuracy and sensitivity, enhance the safety of your vehicle. A good replacement directly replaces your old or broken one. This is a non-OEM product, accessory only! Specification: Color: Black Material: Plastic, Metal OE Number: 36106872774 Frequency: 433MHz Thread Diameter: M8x0.8 Size: 8x3.5x1.8cm / 3.15"x1.38"x0.71"(L*W*H) Fitment: for BMW X5 2018-2021 for BMW 530i 2017-2021 for BMW X3 2017-2021 for BMW X6 2018-2021 for BMW X4 2018-2021 for BMW M850i xDrive 2019-2021 for BMW 840i xDrive 2020-2021 for BMW X7 2019-2021 for BMW M5 2017-2021 for BMW 530e 2018-2021 for BMW 540i 2017-2020 for BMW 750i 2015-2019 for BMW 840i 2020-2021 for BMW 740i xDrive 2017-2021 for BMW 530e xDrive 2018-2021 for BMW 540d xDrive 2018 Note Remove the original tire pressure sensor and install the new one; After installation, please park the car and turn off the engine for about 20 minutes, and keep the remote control key 5 meters away from car; Then start the vehicle and keep it running at a rate of 25 km/h above for 5--10 minutes to match the TPMS sensor; If the outdoor temperature is below 0, the matching time may be longer, that is normal. Please wait patiently for the matching. If you still have problems, please contact when you are free. Package Included:4 x TPMS Sensor