Replacement or Retrofit Headunit Coding – By BIMMER-REMOTE BIMMER-REMOTE provides headunit coding for vehicles that have undergone a replacement or retrofit of the iDrive/infotainment system. This service ensures full functionality, proper communication with all vehicle modules, and error-free operation after installing a new or upgraded headunit. Important – Compatibility Check Required Before purchasing, please contact us to confirm your headunit model and compatibility. This ensures you receive the correct coding service for your specific setup. No Refunds for Hardware Issues Refunds cannot be issued in cases involving: Faulty or damaged headunits Incorrect wiring or installation Incompatible screens or components Our coding service is software-based; hardware problems must be resolved before coding.