16 19 050 Removing and installing/replacing passive tank

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. 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 work:

Draw off SCR PASSIVE TANK .
Remove rear right WHEEL ARCH PANEL .

Removal:

Unlock and disconnect snap fastener (1).

Release hose clamp (2) and pull off hose from passive tank.

Release nut (3) and remove transfer pump.

Fig 1: Identifying Passive Tank Hose Clamp, Fastener And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect snap fastener (1).

Release hose clamp (2) and pull off filling hose from passive tank.

IMPORTANT: Support passive tank (4)!

Release screw (3) and remove tensioning strap.

Remove passive tank (4) downwards.

Fig 2: Pulling Hose From Passive Tank

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Install passive tank (4).

IMPORTANT: Support passive tank (4)!

Fit tensioning strap.

Fit bolt (3) and tighten.

Tightening torque: 16 19 2AZ .

Position snap fastener (1) and lock.

Fit fuel filling hose on passive tank.

Mount and attach hose clamp (2).

Replace hose clamp (2).

Parts: Hose clamp

Fig 3: Installing Passive Tank

Courtesy of BMW OF NORTH AMERICA, INC.

Position snap fastener (1) and lock.

Fit hose (2) on passive tank.

Mount and attach hose clamp (2).

Replace hose clamp (2).

Parts: Hose clamp

Mount transfer pump.

Fit nut (3) and tighten.

Fig 4: Identifying Transfer Pump, Hose And Snap Fastener

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work:

Fill the SCR RESERVOIR .
Mounting the rear right WHEEL ARCH PANEL .