Teardown: The BMW / Harman IDC23H Infotainment Unit (B423)
Summary
This teardown covers the BMW IDC23H infotainment unit from Harman Becker, detailing its two-PCB design, APIX connectivity, and key components (Qualcomm SA8155P, 12GB RAM, 128GB UFS). It explains how the unit interfaces with the Driver Camera System, HUD, and instrument cluster, and discusses potential hardware hacking angles and OS exploration. It’s a valuable read for enthusiasts and professionals interested in automotive embedded systems and in-vehicle networks.