LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2018 >> 740e xDrive >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Audio, Navigation, Anti-Theft, Airbag Control -- Repair (G12) >> 65 12 Radio, Audio Amplifier, Head Unit >> 65 12 315 Remove and install HU-H >> Remove Headunit High (HU-H)

Remove Headunit High (HU-H)

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: 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 
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 (ELECTROSTATIC DISCHARGE) PROTECTION .
NOTE: RISK OF DAMAGE 
Sensitive fiber-optic conductor/fiber optic cable. 
Damaged fiber-optic conductors/fiber optic cables can mean that light does not reach the LED or that information/signals do not arrive. 
  • Do not bend or kink the fiber-optic conductors/fiber optic cables too much. The minimum permitted bending radius is 25 mm.
  • Avoid pressure and tensile loads as well as influence of heat on the fiber-optic conductor/fiber optic cable.

Preliminary work 

G14197416Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 © TOYOTA, LICENSE AGREEMENT TMS1002
G14197418Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002