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Home >> BMW >> 2021 >> X3 sDrive30i >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Audio, Navigation, Anti-Theft, Airbag Control -- Repair (G01) >> 65 12 Radio, Audio Amplifier, Head Unit >> 65 12 315 Remove and Install Hu-H (X3) >> Remove Head Unit

Remove Head Unit

Preliminary work 

NOTE: RISK OF DAMAGE 
Electrostatic discharge. 
Damage to or destruction of electrical components. 
  • Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
  • Read and comply with user information on using the associated special tool 12 7 060.
  • Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
  • Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
  • For additional information, see: NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .
NOTE: RISK OF DAMAGE 
Damage to the head unit. 
The hard disk of the head unit can be damaged by vibrations. 
  • Carry out mechanical work on the head unit and adjacent components with care.
NOTE: RISK OF DAMAGE 
Damage to the head unit. 
The plug connections of the head unit must not be disconnected if the battery is still connected. 
  • Disconnect all batteries.
NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
G14301925Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: RISK OF DAMAGE 
Damage to the instrument cluster (KOMBI) or the head unit 
A ground offset can occur when releasing and connecting the cables. This can generate currents that render the instrument cluster (KOMBI) or the head unit unusable. 
  • When releasing: First release the APIX data cable (blue).
  • When connecting: Connect the APIX data cable (blue) last.
G14197417Courtesy of BMW OF NORTH AMERICA, INC.
G14197418Courtesy of BMW OF NORTH AMERICA, INC.