Necessary preliminary tasks

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Fill level must be = 28 l
- If necessary, DRAW OFF FROM FUEL TANK
Pour two to three liters of fuel into left tank chamber via the flange opening
Connect diagnosis system
- Path:
  - Brief test KOMBI Instrument cluster
  - Diagnosis con unit functions
  - Diagnosis requests
  - Tank sensor 1 tank sensor 2

NOTE: Tank sensor 1 = right tank sensor
Tank sensor 2 = left tank sensor

Start engine.

Compare display for left and right tank chambers.

Repumping function OK

If fill level of tank sensor 2 (left chamber) is falling (approx. one liter per minute).

Repumping function not OK

If fill level of tank sensor 2 (left chamber) is stable or rising.