13 31 028 Checking fuel feed pressure (S65)

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

13 3 060
13 5 270

See FUEL SYSTEM - SPECIAL TOOLS .

Necessary preliminary tasks:

Connect DIS Tester
Read out fault memory of DME control unit
Switch off ignition
Remove air intake filter housing

Recycling:

Catch and dispose of escaping fuel in a suitable container.

Observe country-specific waste-disposal regulations.

Disconnect quick-release coupling (1) from feed line (2).

Insert special tool 13 5 270 between lines (1) and (2).

Connect pressure sensor (3) of BMW DIS Tester. Or connect special tool 13 3 060 .

Fig 1: Identifying Quick-Release Coupling, Feed Line, Pressure Sensor And Special Tool (13 5 270)

Courtesy of BMW OF NORTH AMERICA, INC.

Measuring fuel pressure:

Connect pressure sensor to DIS tester
Connect DIS tester to vehicle
Select Drive
Select Engine electronics
Select Fuel supply
Select Fuel pressure sensor
Read off fuel pressure

NOTE: The vehicle has different fuel pressures when starting and when idling.

Test pressure, refer to FUEL SYSTEM - TECHNICAL DATA .

Switch off engine.

Assemble vehicle and check fuel system for leaks.