LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> BMW >> 2017 >> 530i >> Repair and Diagnosis >> Electrical >> Charging Systems >> Engine Electrical System - Repair (G30) (4 Of 5) >> 12 51 Engine Wiring Harness >> 12 51 245 Remove and install/replace transmission module engine wiring harness (530e PHEV 2018-2020) >> Removing the wiring harness section of the transmission wiring harness

Removing the wiring harness section of the transmission wiring harness

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 

Removing the wiring harness section of the right transmission wiring harness 

Wiring harness section of the transmission wiring harness, right 

G14214446Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: RISK OF DAMAGE 
Damage to wires when disconnecting connectors and plug connections. 
Sheared wires can cause a short circuit. 
G12729296Courtesy of BMW OF NORTH AMERICA, INC.

Removing the wiring harness section of the left transmission wiring harness 

Wiring harness section of the transmission wiring harness, left 

G14214448Courtesy of BMW OF NORTH AMERICA, INC.
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.
G14214452Courtesy of BMW OF NORTH AMERICA, INC.
G14214453Courtesy of BMW OF NORTH AMERICA, INC.