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Home >> BMW >> 2020 >> 745e xDrive >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System -- Repair (1 Of 3) (G12) >> 13 31 Electric Fuel Pump With Drive And Line >> 13 31 035 Removing and installing/replacing fuel supply line (740e xDrive PHEV 2017-2019) >> Remove fuel delivery line

Remove fuel delivery line

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.

Preliminary work 

WARNING: Working on fuel system. 
Risk of fire! Danger of explosion! 
  • When working on the fuel system, make sure the workstation has sufficient ventilation, e.g., by means of extraction.
  • Tightly seal off open lines and connections; collect any leakage fuel directly at the point of exit.
  • No fire, sparks, open flames or smoking.
CAUTION: On releasing high pressure line, fuel may emerge at high speed. 
Injury hazard! 
  • Wear suitable personal protective equipment.
  • Before performing any installation work, allow cooling system to cool down to less than 40°C.
  • Note warnings on cylinder head cover.
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
G12702130Courtesy of BMW OF NORTH AMERICA, INC.