18 31 090 Removing and installing front pipe (M57T2 with SCR)

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.

Special tools required:

16 1 130

WARNING: Risk of burning!
Only perform this work after engine has cooled down.

IMPORTANT: Ensure adequate ventilation in the place of work!
Avoid skin contact (wear gloves)!
Avoid eye contact (safety goggles)!
Urea/water mixture can escape when parts 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 that carry 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.
Seal off connections and lines with special tool 16 1 130!
Thoroughly clean special tool with water after each use.

Release clamp (4).

Tightening torque: 18 31 6AZ .

Pull metering module (5) out of front pipe, do not remove.

Fig 1: Identifying Clamp And Metering Module

Courtesy of BMW OF NORTH AMERICA, INC.

Release clamp (1).

Tightening torque: 18 31 4AZ .

Unscrew nuts (2).

Tightening torque: 18 31 5AZ .

Replace gasket.

Unscrew nuts (3).

Tightening torque: 18 31 7AZ .

Release temperature sensor (4) and remove from front pipe.

Tightening torque: 18 31 3AZ .

Fig 2: Identifying Clamp, Nuts And Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Check rubber mounts for damage. Replace damaged rubber mounts.

When replacing front pipe, modify MIXER .

Check exhaust system for leak tightness.

After completing work:

Carry out SCR adjustment using BMW Diagnosis and Information System.

Refer to:

Service function
SCR systems
Carry out activation and adjustments