16 19 020 Removing and installing/replacing active reservoir

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.

IMPORTANT: Ensure adequate ventilation in the workbay!
Avoid skin contact (wear gloves)!
Avoid eye contact (safety goggles)!
Urea/water mixture can escape when components carrying urea/water mixture are released. Have a collecting vessel ready.
Observe country-specific waste disposal regulations.

IMPORTANT: Maintain conditions of absolute cleanliness.
Connections and covers of lines carrying urea/water mixture must be cleaned thoroughly with water after each removal or before each installation!
Thoroughly clean the working area with water after repair work.
Use fluff-free cloths for cleaning .
Close connections and lines!
Thoroughly clean special tool with water after each use.

Necessary preliminary tasks:

DRAW OFF UREA/WATER MIXTURE
Remove WHEEL ARCH PANEL front section on right
Remove ORNAMENTAL GRILLE in front right bumper trim

NOTE: For purposes of clarity, schematic diagram shows bumper panel removed.

Release mount (1).

Release plastic nuts (2).

Installation note:

Check plastic nuts, replace if necessary.

Tightening torque: 16 19 2AZ .

Fig 1: Identifying Active Reservoir, Mount And Nut

G06913519

Courtesy of BMW OF NORTH AMERICA, INC.

Swing out bracket (3) with brake air duct (4).

Disconnect plug connection (1).

Turn plug connection (2) a 1/4 turn and remove.

Fig 2: Identifying Plug Connections

G06913520

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect repumping line from passive reservoir (1).

Disconnect metering line (2).

Installation note:

Check latch mechanism of lines (1 and 2) by pulling.

Fig 3: Identifying Metering Line And Latch Mechanism

G06913521

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect filler line (1) and tank ventilation line (2).

Installation note:

Check latch mechanism of lines (1 and 2) by pulling.

Unclip lines from bracket (3).

Fig 4: Identifying Tank Ventilation And Filler Line

G06913522

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Installation note:

Tightening torque: 16 19 3AZ .

Fig 5: Identifying Ventilation Line Screws

G06913523

Courtesy of BMW OF NORTH AMERICA, INC.

Secure active reservoir (1) against falling off.

Unscrew nuts (2).

Installation note:

Tightening torque: 16 19 4AZ .

Remove active reservoir (1) and feed out filler line.

Fig 6: Identifying Active Reservoir Nuts

G06913524

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Modify EVALUATION UNIT .

Modify POWER SWITCH .

Unscrew nuts (1).

Tightening torque: 16 19 10AZ .

Unscrew holder (2).

IMPORTANT: Risk of damage! Reinstall washers under holder (2) on tank side without fail.

Fig 7: Identifying Washers Under Holder And Nut

G06913525

Courtesy of BMW OF NORTH AMERICA, INC.

Modify SCR DELIVERY MODULE .

Modify wiring harness.

Modify insulation.

Modify fuel filler neck breather pipe.

Installation note:

Replace hose clamp.

Tightening torque: 16 19 9AZ .