18 31 130 Removing and Installing/Replacing Metering Unit
18 31 130 Removing and installing/replacing metering unitSpecial tools required:
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 off connections and lines with special tool 16 1 130!
Thoroughly clean special tool with water after each use.
Necessary preliminary tasks:
^ Remove underbody protection
Unclip metering line holder (1) on transmission.
Disconnect metering line (2) from metering module (5).
Release clamp (4) and remove metering module (5).
Disconnect plug connection (3).
After completing work:
Carry out SCR adjustment using BMW Diagnosis and Information System.
Refer to:
- - Service function
-> SCR systems
-> Carry out activation and adjustments