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Home >> BMW >> 2021 >> X5 sDrive40i >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> General Electrical System - Repair -- X5 (1 Of 2) (G05) >> 61 21 Battery With Holder >> 61 21 090 Replacing starter unit battery - including registering battery change (X5 xDrive 45e PHEV) >> Removing the system battery

Removing the system battery

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.
WARNING: Unprotected battery terminals  .
Risk of short circuits! Risk of fire! 
  • Cover the vehicle battery.