13 31 028 Checking fuel feed pressure (S65)
WARNING: This page is about a different car, the 2011 BMW M3, 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.
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 DEVICE .
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 TECHNICAL DATA .
Switch off engine.
Assemble vehicle and check fuel system for leaks.