4x TPMS Valve Stem Repair Kit Tyre Pressure Sensor For BMW 1 2 3 Series X1 X2 X3. 4x Tyre Pressure Sensor Valve Stem For BMW 1 2 3 Series X1 X2 X3 TPMS Repair Kit. WiFi connection: only supports WIFI IEEE802 11b/g/n (2.4GHz), RF 433mhz.
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