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16 12 000 Removing and installing or replacing fuel gauge sensor (petrol/gasoline, right)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. 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 workbay!
Avoid skin contact (wear gloves)!
When performing repair work on the open fuel tank, work with a clean environment. Dirt contamination in the fuel tank can lead to driving impairments or to vehicle failure.
Before starting the engine for the first time:
  • Fill fuel tank with at least 5 liters of fuel

Check TRANSFER FUNCTION OF SUCTION JET PUMP .

Necessary preliminary tasks: 

For E70 without 3rd row of seats only: 

Only unclip seat bench (1) as shown on the left and right and fold up in direction of arrow.

Secure seat bench on front seat (2).

Fig 1: Securing Seat Bench
G08494607Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, disconnect plug connection (1).

Remove cover (2).

Fig 2: Identifying Plug Connection And Cover
G04793979Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts (1) and remove cover for sensor opening (2) from right side of fuel tank.

Fig 3: Identifying Sensor Opening Cover And Nut
G04793980Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Unlock quick-release fastener (2) and detach vent line.

If necessary, unlock quick-release fastener (3) for fuel delivery line of auxiliary heater and detach.

If necessary, disconnect plug connection (4) for auxiliary heater fuel pump.

Fig 4: Identifying Quick-Release Fastener And Plug Connection
G04793981Courtesy of BMW OF NORTH AMERICA, INC.

Measure gap dimension (A) at clamping ring (1).

Release hose clamp (2) and remove from clamping ring (1).

Press clamping ring (1) apart at open end and remove.

Fig 5: Identifying Clamping Ring Gap Dimension
G06179088Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Make sure that service cover is installed in correct position. 

Indentation (2) on clamping ring must line up with raised section (1) of tank.

Pin on service cover (3) must line up with indentation on clamping ring.

Hose clamp (4) must always be replaced (pay attention to correct position).

Tighten hose clamp until clamping ring gap dimension is obtained.

Fig 6: Identifying Service Cover Pin And Hose Clamp
G04793983Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Seal (1) must always be replaced.

Fig 7: Identifying Fuel Pump Seal
G04793995Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Ground cable (1) must be replaced if it has been detached once!

Disconnect ground cable (1) towards top.

Fig 8: Disconnecting Ground Cable
G04794011Courtesy of BMW OF NORTH AMERICA, INC.

Carefully raise service cover.

Unclip plastic tube (1).

Unlock and disconnect snap fastener (2).

IMPORTANT: Catch escaping fuel in suitable container.
No fuel is permitted to get into the interior!

Remove fuel pump.

Fig 9: Identifying Snap Fastener And Plastic Tube
G04793986Courtesy of BMW OF NORTH AMERICA, INC.

With fuel pump removed, disconnect plug connection (1) in tank and replace ground cable (2).

Fig 10: Identifying Plug Connection And Ground Cable
G04793987Courtesy of BMW OF NORTH AMERICA, INC.

Unclip fuel level sensor (1) in direction of arrow from housing and then slide out of guides (2) in direction of arrow.

Installation note: 

Fuel level sensor (1) must be felt and heard to snap into place.

Fig 11: Removing Fuel Level Sensor
G04793988Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1) and disengage cable (2) from guides.

Fig 12: Identifying Plug Connection And Cable
G04793989Courtesy of BMW OF NORTH AMERICA, INC.