16 19 006 Draw off and fill SCR active tank

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.

Overview of Activities

Preprocesses

Remove fuel tank underride protection. See 1.
Keyprocesses
Drawing off the SCR active tank. See 2.
Fill SCR active tank. See 3.
Postprocesses
Install fuel tank underride protection. See 4.

Additional Information

Overview of Tightening Torques

TIGHTENING TORQUES SPECIFICATION

Use in Activity: 4
Underbody panelling on body
Screw	3 Nm
Nut	2.5 Nm

Preprocesses

Remove fuel tank underride protection
NOTE: Description is for left component only. Procedure on the right side is identical.
- Loosen clip (1) .
- Loosen screws/nuts (2) and (3) .
- Thread out underride guard (4) and remove downwards.
  
  Fig 1: Identifying Underride Guard, Screw And Clip
  Courtesy of BMW OF NORTH AMERICA, INC.
Keyprocesses
Drawing off the SCR active tank
CAUTION: Risk of acid burns! Skin and eye irritation/redness!

Take care when loosening parts that contain AdBlue! AdBlue might come out when you loosen them.
- Have a collecting vessel ready.
- Ensure adequate ventilation in the workbay!
- Avoid contact with skin!
- Wear protective gloves.
- Avoid contact with eyes!
- Wear safety goggles.
NOTE: Clean connections and covers of lines carrying AdBlue thoroughly with water after each disassembly or before each installation.

NOTE: After repair work, thoroughly clean special tool and working area with water!

NOTE: Use only lint-free cloths for cleaning.

NOTE: Close connections and AdBlue leading lines.
- Remove screw cap (1) of filler connection.
  
  Fig 2: Identifying Filler Connection Screw Cap
  Courtesy of BMW OF NORTH AMERICA, INC.
  
  NOTE: Read the manufacturer's operating instructions and safety regulations before starting up the AdBlue filling and extractor unit!
- Pull off sealing cap (1) suction hose.
  
  Fig 3: Identifying Suction Hose Sealing Cap
  Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Do not reuse extracted AdBlue!
- Connect AdBlue suction pump (1) .
- Extract AdBlue.
  
  Fig 4: Identifying Adblue Suction Pump
  Courtesy of BMW OF NORTH AMERICA, INC.
Fill SCR active tank
CAUTION: Risk of acid burns! Skin and eye irritation/redness!

Take care when loosening parts that contain AdBlue! AdBlue might come out when you loosen them.
- Have a collecting vessel ready.
- Ensure adequate ventilation in the workbay!
- Avoid contact with skin!
- Wear protective gloves.
- Avoid contact with eyes!
- Wear safety goggles.
NOTE: Read the manufacturer's operating instructions and safety regulations before starting up the AdBlue filling and extractor unit!

NOTE: After repair work, thoroughly clean special tool and working area with water!
- Connect filling hose (1) with filler connection (2) .
- Connect ventilation line (4) with connector (3) .
  
  Fig 5: Identifying Filler Hose, Connection And Tank Ventilation Line
  Courtesy of BMW OF NORTH AMERICA, INC.
- Connect filler connection of filler device (1) with filler connection of active tank.
  NOTE: Stop cock is positioned at right angles to flow direction when valve is closed.
- Close shutoff tap (2) .
  
  Fig 6: Identifying Filler Device And Shutoff Tap
  Courtesy of BMW OF NORTH AMERICA, INC.
- Connect filler connection (1) with AdBlue fluid tank (2) .
  NOTE: Stop cock is positioned at right angles to flow direction when valve is closed.
- Close shutoff tap (3) .
  
  Fig 7: Identifying Adblue Fluid Tank, Filler Connection And Shutoff Tap
  Courtesy of BMW OF NORTH AMERICA, INC.
- Create a difference in height (A) between AdBlue fluid tank and filler connection.
  NOTE: Shutoff tap is positioned lengthways to flow direction when valve is open.
- Open shut off taps (1) .
  » Active tank is filled up.
  
  Fig 8: Identifying Adblue Fluid Tank And Filler Connection Height
  Courtesy of BMW OF NORTH AMERICA, INC.
- As soon as the AdBlue rises to the same level in the ventilation line (2) as in the filling hose (1) , the active tank is overfilled.
  
  Fig 9: Identifying Ventilation Line And Filling Hose
  Courtesy of BMW OF NORTH AMERICA, INC.
- Place AdBlue fluid tank (1) on the floor.
- The AdBlue flows back through the ventilation line (3) and filling hose (2) into the fluid tank (1) .
  NOTE: Stop cock is positioned at right angles to flow direction when valve is closed.
- Close shutoff taps when no more fluid flows through the filling hose (2) and (3) .
- Disconnect filler unit from filler connection.
  
  Fig 10: Identifying Adblue Fluid Tank, Ventilation Line And Fluid Tank
  Courtesy of BMW OF NORTH AMERICA, INC.
Postprocesses

Install fuel tank underride protection

NOTE: Description is for left component only. Procedure on the right side is identical.

NOTE: Renew damaged expanding rivet.

Feed in underride protection (4) .
Install clips (1) .
Tighten nuts/bolts (2) and (3) .

TIGHTENING TORQUES SPECIFICATION

Underbody panelling on body
Screw	3 Nm
Nut	2.5 Nm

Fig 11: Identifying Underride Guard, Bolt And Clip

Courtesy of BMW OF NORTH AMERICA, INC.