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Disconnect the fuel line and the tank vent line

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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.
NOTE: TECHNICAL INFORMATION 
Collect and dispose of emerging fluids.
Observe country-specific waste disposal regulations.
G16026395Courtesy of BMW OF NORTH AMERICA, INC.