LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2021 >> 750i xDrive >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> General Electrical System -- Repair (G12) (1 Of 2) >> 61 21 Battery (12V And 48V) >> 61 21 017 Replacing vehicle battery - registering with battery replacement - (740e xDrive PHEV 2017-2019, 745e xDrive PHEV 2020-2022) >> Remove battery

Remove battery

WARNING: High-voltage system.
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!
WARNING: Working on 12 V electrical system. 
Risk of short circuits! Risk of fire! 
  • Make sure that there is no charger  connected to the jump start terminal in the engine compartment.
  • Detach battery ground lead from battery.
  • For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
NOTE: TECHNICAL INFORMATION 
Zero voltage (high-voltage system switched-off) is only displayed with in PAD mode.

Preliminary work 

WARNING: Working on 12 V electrical system. 
Risk of short circuits! Risk of fire! 
  • Make sure that there is no charger  connected to the jump start terminal in the engine compartment.
  • Detach battery ground lead from battery.
  • For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.
G12676243Courtesy of BMW OF NORTH AMERICA, INC.
WARNING: Unprotected battery terminals. 
Risk of short circuits! Risk of fire! 
  • Cover the vehicle battery.