16 12 000 Removing and installing/replacing sensor for fuel gauge

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Recycling:

Fuel escapes when fuel lines are detached. Have a suitable collecting vessel ready.

Catch and dispose of escaping fuel.

Observe country-specific waste disposal regulations.

IMPORTANT: Ensure adequate ventilation in the service bay!
Avoid skin contact (wear gloves)!
Ensure absolute cleanliness when performing repair work on the open fuel system. Dirt contamination in the fuel tank may impair driving or may even result in vehicle breakdown.

Necessary preliminary tasks:

DRAW OFF FUEL
REMOVE REAR SEAT
Vehicles with comfort seat: REMOVE RIGHT REAR SEAT
Remove flange cover. See FLANGE COVER (OUTER FUEL FILTER) and FLANGE COVER .

NOTE: Picture does not show the fuel tank outer skin.

Unclamp connecting line for level sensor (2) through sensor opening (1).

Disconnect plug connector for level sensor (3) from plug connector installation unit on left (4).

Fig 1: Identifying Fuel Level Sensor With Connecting Line, Service Opening And Connector Installation Unit

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Picture does not show the fuel tank outer skin.

Unlock tab (3) in upward direction through sensor opening (1) and lift out level sensor (2) in direction of arrow.

Installation note:

Level sensor (2) must audibly snap into place.

Fig 2: Unlocking Fuel Level Sensor Tab In Upward Direction

Courtesy of BMW OF NORTH AMERICA, INC.