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Home >> BMW >> 2009 >> M3 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 72 (Fuel System - Repair - E90) >> Fuel Pump With Drive And Line >> 13 31 028 Checking fuel feed pressure (S65)

13 31 028 Checking fuel feed pressure (S65)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks: 

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 .

Fig 1: Identifying Quick-Release Coupling And Pressure Sensor With Special Tool (13 5 060)
G06201241Courtesy of BMW OF NORTH AMERICA, INC.

Measuring 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.