Features: Safety: The tyre pressure sensor can the pressure of the car tyres to avoid insufficient tyre pressure or flat tyres, improving driving safety. Fuel saving: The tyre pressure sensor can keep the tyre pressure within the correct range, avoiding tyre sliding and resistance increase, reducing fuel consumption. Increase tyre service life: A tyre pressure sensor can increase the normal service life of tyres, avoiding tyres being prematurely scrapped due to excessive wear and tear. Convenience: The tyre pressure sensor can the pressure of the car tyres in real-time and the car owner when the pressure is too low. Car owners can take timely action before the tyres run out of air. Reduced maintenance costs: Tire pressure sensors can reduce the cost of refilling and maintaining the tyres, as well as reduce the additional wear and tear and maintenance costs caused by insufficient pressure. Details: Colour: Silver Tone, Black Material: Plastic, Metal Frequency: 433MHz Thread Size: M8x0.8 Dimension: 7x4.7x2.0cm/ 2.76"x1.85"x0.79"(L*W*H) OE Number:36106877937Fitment: for BMW 330i 2019-2020 for BMW 330i xDrive 2019-2020 for BMW M340i 2020-2020 for BMW M340i xDrive 2020-2020 for BMW Z4 M40i First Edition for BMW X3 sDrive30i 2019-2020 Please Note: Please allow 3-5mm differences due to manual measurement. This is vehicle vehicle-specific product, please make sure your car model before ordering. This is a non-OEM product, accessory only! Package List:4 Pcs Tire pressure sensor TPMS