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Home >> BMW >> 2017 >> 650i 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 814 (Fuel Supply System - Repair) >> SCR Technology >> 16 19 200 Removing and installing/replacing tank ventilation line for SCR active tank

16 19 200 Removing and installing/replacing tank ventilation line for SCR active tank

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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 tasks: 

Unlock and disconnect snap fastener (1).

Installation note: 

Please ensure snap fasteners lock correctly.

Fig 1: Identifying Snap Fastener
G09915028Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect snap fastener (1).

Detach fuel filler neck breather pipe (2) from brackets and remove.

Installation note: 

Please ensure snap fasteners lock correctly.

Fig 2: Identifying Fuel Filler Neck Breather Pipe And Snap Fastener
G09915029Courtesy of BMW OF NORTH AMERICA, INC.