Description: Original BMW RDC TPMS control module for 5, 6, and 7 Series models. This OEM module is a direct-fit replacement that restores factory tire pressure monitoring and proper communication with your TPMS sensors. Ideal for fixing TPMS warnings, sensor communication faults, or replacing a failed RDC unit while keeping the system stock. Condition: Used OEM part, inspected and tested for proper operation. Fully functional with normal cosmetic wear from prior use only. Please review photos for exact condition. Module versions can vary by trim and build date, so verify by VIN or matching your original module if you are unsure. Reference part number in title: 6857938. OEM Quality: Genuine BMW original equipment TPMS control module, not aftermarket. Built to factory standards for correct fit, reliable sensor communication, and long-term durability. Note: RDC TPMS control module only. Any mounting brackets, screws, wiring, sensors, or hardware are not included unless shown in the photos. Programming or coding to your vehicle may be required after installation; please confirm with your installer or dealer.