Diesel Emissions Fluid Filter: Service and Repair

16 19 040 - Removing and installing/replacing SCR filter





Special tools required:
- 16 1 130





Important!
Ensure adequate ventilation in the place of work!

Avoid skin contact (wear gloves)!

Avoid eye contact (protective goggles)!

Urea/water mixture can escape when parts carrying urea/water mixture are released. Have a collecting container ready.

Observe country-specific waste-disposal regulations.





Important!
Maintain conditions of absolute cleanliness.

Connections and covers of urea/water-mixture-carrying lines must be cleaned thoroughly with water after each removal or before each installation!

Thoroughly clean the work area with water after repair work.

Use fluff-free cloths for cleaning (see ETK Electronic Parts Catalogue WAYPALL L20 cleaning cloths).

Seal connections and lines with special tool 16 1 130.

Thoroughly clean special tool with water after each use.





Necessary preliminary tasks:
- Remove side right underbody panelling Removing and Installing/Replacing Left or Right Underbody Panelling.





Unclip SCR filter (1) upwards.

Unclip line (2).

Swing out SCR filter (1).





Important!
Catch and dispose of escaping urea/water mixture in a suitable container. Observe country-specific waste-disposal regulations.

Release single-ear clip (1).

Installation Note:
Replace single-ear clips.

Release connecting line for SCR filter (2) from repumping unit and remove SCR filter.

Installation Note:
Check by pulling correct engagement of SCR filter connecting line (2).





Disconnect line (1) on pump unit (2).





Connect urea/water mixture suction unit (refer to BMW Service Workshop Equipment) to connection (1).

Important!
Do not pressurize urea/water mixture suction unit.

With aid of BMW Diagnosis and Information System:

- Activate pump unit until urea/water mixture flows through suction line
Connect line (1) and check correct seating by pulling.