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Home >> BMW >> 2017 >> 530i >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Engine Electrical System - Repair (G30) (3 Of 5) >> 12 51 Engine Wiring Harness >> 12 51 210 Replacing the wiring harness section for injectors and ignition coils (530e PHEV 2018-2020, 530e xDrive PHEV 2018-2020) >> Remove the wiring harness section for the ignition and injectors

Remove the wiring harness section for the ignition and injectors

NOTE: DANGER 
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.

Preliminary work 

NOTE: RISK OF DAMAGE 
Damage to wires when disconnecting connectors and plug connections. 
Sheared wires can cause a short circuit. 
  • Do not pull on wires when disconnecting connectors and plug connections.
G12701539Courtesy of BMW OF NORTH AMERICA, INC.
G12701542Courtesy of BMW OF NORTH AMERICA, INC.