13 31 029 Checking Fuel Pump Delivery Pressure

13 31 029 - Checking fuel feed pressure (N54)





Special tools required:
- 13 5 270





Necessary preliminary tasks:
- Connect BMW diagnosis system.

Important!
Fuel lines are under pressure.





Important!
Lines are under pressure!

Wear protective goggles and gloves.

Fuel can emerge spontaneously at high velocity when the fuel line is released!





Recycling:
Catch and dispose of escaping fuel in a suitable container.
Observe country-specific waste-disposal regulations.





Disconnect quick-connect coupling (1) from feed line in engine compartment at front left.
Insert special tool 13 5 270 between lines.
Connect pressure sensor (2) of BMW diagnosis system.
Switch on ignition. Read off fuel feed pressure at BMW diagnosis system.
Fuel pressure, refer to Technical Data 13 53 Injectors and Lines, Fuel Pressure Regulator.