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System overview

The Head-Up Display is connected with the instrument cluster (KOMBI) by a LVDS data line.

The LVDS data line is for the transmission of image information from the instrument cluster to the Head-Up Display.

The Head-Up Display is powered via the instrument cluster (KOMBI) using terminal 30B. The instrument cluster (KOMBI) transmits the control signals for stepper motors, sensors and display drivers.

Fig 1: Head-Up Display Communication Diagram
G10092675Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 Head-Up Display
2 Front fuse and relay module
3 Front Electronic Module (FEM) or Body Domain Controller (BDC)
4 Instrument panel (KOMBI)